Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5593799531aa4a0…

MALICIOUS

PDF

9.5 KB Created: 2021-06-03 23:47:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26
MD5: d083de861ee5bf55836064c44a616a57 SHA-1: fbc25bb6e18ae6b1d93d035715322eddd02b9f29 SHA-256: b5593799531aa4a084e51557db5c589d7955aeb245103723b1625932fd6a08c1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link that redirects to a website offering game hacks and generators, a common lure for malicious activity. The ML classifier also flagged this PDF as malicious. The embedded URL is the primary indicator of malicious intent, likely leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9155

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/all-coin-master-spin-link-and-free-download-game-hack In PDF document text

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