Is flashsd.github.io a scam? TrustSniffer's high-risk assessment: 0/100

Security Alert

Fortinet flagged this site in external intelligence checks, indicating elevated compromise/scam exposure that requires immediate caution.

This website is a bare GitHub Pages subdomain that currently serves only the platform's standard "Site not found" 404 error page. The page says no GitHub Pages site exists at this address and links to the hosting platform's setup documentation. It offers no products, forms, login, content or commercial purpose, and the operator cannot be identified from what it shows.

Scam/Impersonation Risk: Contradictory signals are present, and they come from external reputation rather than from the page. The domain is blacklisted: multiple independent security engines classify it as malicious, and a tier-one security vendor is among those flagging it. That level of agreement is decisive, and no amount of benign-looking page content offsets it. The most likely explanation is that content was previously published at this address and has since been removed or taken down, though the evidence does not establish this. Whatever the cause, the reputation record is the controlling fact. The page analysis also flagged the address as a close lookalike of a major developer-platform brand. That similarity comes from the hosting subdomain naming pattern, and the visible page is the platform's own generic error screen. There is no confirmed impersonation, no phishing content on the page, and no conflicting legal identities. Abuse reports exist against the shared hosting address, but they apply to infrastructure serving many unrelated tenants and cannot be attributed to this site specifically. They are a soft signal and not part of the blacklist finding. Sandbox runs showed no login form, hidden forms, wallet interaction, clipboard manipulation or cloaking. They did record a high share of traffic going to third-party destinations, several external data submissions to non-allow-listed endpoints, noticeable page-script mutation after interaction, and console errors. These behaviours are unusual for a static error page and are consistent with the externally flagged reputation. Evidence:

Regulatory Verification Notes: The site presents no legal, terms, privacy, about or contact pages. It makes no claim of licensing or regulation and no regulated activity is advertised, so there is nothing to validate against a registry. The operator is unidentified, and ownership is opaque in practice because the address is a subdomain of a shared hosting platform. This is a governance limitation and not an identity contradiction. No third-party broker or regulatory reputation entry matches this domain. Evidence:

What to Verify Next: The site offers no service to evaluate, so the useful checks concern its history and the reason it is listed. Reviewers should confirm whether the content that triggered the detections has been removed, for example by re-checking the current status with the reputation sources that flagged the domain. If the domain was referred through an email, advertisement, message or shared link, the sender should be contacted through an independent route to confirm the intended destination. Any claimed association with the developer-platform brand should be checked directly with that brand's official channels. Official support and contact channels for any related service should likewise be confirmed independently. Evidence:

Summary Verdict: The overall posture is clearly cautionary and security-forward. Corroborated malicious classifications from independent sources outweigh the benign appearance of the page, and the operator cannot be identified. Nothing about the domain supports treating it as a reliable or established entity.

Infrastructure Integrity: The site is served through large, mainstream content-delivery infrastructure with a valid certificate. Only edge addresses are observable and the origin server is not exposed. This is a mitigating factor only and does not offset the external reputation findings. It reflects the shared platform hosting many unrelated sites and says nothing about the legitimacy of this particular subdomain.

Closing Assessment: Treat the address as unsafe for any login, credential entry, payment or file download. Open it only in an isolated, non-sensitive environment, and only if it is needed for investigation.

• Homepage: the only content is the platform's 404 notice with a documentation link. No forms, monetization, tracking or social links were found.
• External reputation: the domain is flagged malicious by multiple independent detection engines, including a tier-one vendor, and the evidence includes a confirmed blacklist hit.
• Sandbox behaviour on the homepage: several submissions to non-allow-listed external destinations, high external traffic share, and repeated console errors. No cloaking or wallet-related activity was observed.
• Hosting address: abuse reports apply to a shared content-delivery address and are not attributed to this site specifically.
• Homepage: no company name, registration number, licence, or legal documentation is displayed.
• Hosting infrastructure: served from AS54113 (Fastly, US).
• Transport encryption: the TLS certificate is issued by YR1 at domain-validated level and is valid to 2026-12-29. Domain validation confirms only control of the hostname, not the operator's identity.
• Homepage: the page offers no contact route, so independent confirmation is the only available verification path.
• External reputation: the malicious classifications are current and corroborated, so a re-check after any cleanup is the meaningful test.
• Naming: the subdomain closely resembles the hosting brand's name, so claimed affiliations need direct confirmation.

Signals weighed against the site

• AbuseIPDB: 8 reports on hosting IP 2606:50c0:8000::153 (GitHub, Inc., Content Delivery Network), 12% confidence. The reports are attributed to shared infrastructure, not specifically to this website.