Malicious PDF — malware analysis report

Static analysis result for SHA-256 234a4ecc79b423b5…

MALICIOUS

PDF

2.6 KB Created: 2021-06-03 18:11:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 517b08b6418bf80f9211c8e177c2fd5a SHA-1: 6c20afc62bc4a66ebb8e54d2f956c5a81b5527ad SHA-256: 234a4ecc79b423b5ad6f4b7d1c6f83898e3fdde4277d277b11548bfe71b0ec66
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link that redirects to a known malicious domain, disguised as a game hack generator. This lure is intended to trick users into clicking the link, likely leading to further malicious activity. While no scripts were explicitly extracted, the PDF structure and embedded URL suggest an attempt to exploit user interest in online games for malicious purposes.

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.online/app/406889139/free-coins-for-flip-master-online-game-hack In PDF document text

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