Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa4987e2e128248c…

MALICIOUS

PDF

971 B Created: 2021-06-19 16:09:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 928ff6b2400a6162eabf68ad903c5d4f SHA-1: 3136883273847891dba0624a36cc4da59dea9673 SHA-256: fa4987e2e128248c0a911bdb7f08aa592dcf2a1ad0e2f4772bd8084f5ca5c12d
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector high 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://netcdn.co/app/431946152/new-roblox-jailbreak-hack-exploit-walkspeed-noclip-gravity-and-more-game-hack PDF link annotation
    • http://netcdn.co/app/431946152/new-roblox-jailbreak-hack-exploPDF link annotation

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