Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1a613be3bedae3d…

MALICIOUS

PDF

2.5 KB Created: 2021-05-11 15:30:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 26e3ffe1af8f9c311287b1f7168a4642 SHA-1: 479542ad93a5d99710e0b72d20f0de94ba8138b1 SHA-256: c1a613be3bedae3d8cbd0b1abf8bd87be729a764c2908efb2d14422a3063f62c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for a "Roblox Hacked Version" and a "game hack", directing the user to a malicious URL. This URL is flagged as a known malicious redirector, indicating a phishing or scam attempt. The PDF structure and embedded URL suggest it's designed to trick users into visiting a compromised site, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9740

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/431946152/roblox-hacked-version-game-hack In PDF document text

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