Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab25cc43c12cad7c…

MALICIOUS

PDF

102.7 KB Created: 2021-07-05 21:47:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 8e60a3849a777676fdb9308b09bd2570 SHA-1: 374e0d666eca5efee528a96a6e1590336c2a42f5 SHA-256: ab25cc43c12cad7c6928cb7200c12a1ed837a1d832fac26c7bc440c20c8e9cd9
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a known malicious infrastructure. The document body and heuristics indicate a lure for a 'free game hack' to entice users to click the malicious link. This likely leads to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0131

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 http://netcdn.tw/app/1094591345/how-to-get-pokeballs-in-pokemon-go-free-game-hack In PDF document text

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