Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bdf7d1bf0d9ba07…

MALICIOUS

PDF

1.4 KB Created: 2021-07-05 18:55:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 012c5fc8ead373b467bc91d2847d80d8 SHA-1: 2cc5b4be4fbaf2508e9d3ece18ad1cb406542921 SHA-256: 7bdf7d1bf0d9ba0737bd4f0974e1af0df39ca1582f39e14935f77d24bd22e0f3
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.9983

Heuristics 4

  • 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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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.tw/app/431946152/free-800-robux-game-hack PDF link annotation
    • http://36.94.36.7/elib/repository/static-moonactive-net-link_GM406889139.pdfPDF link annotation
    • http://36.94.36.7/elib//repository/www-free-robux_GM431946152.pdfIn PDF document text

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