Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d0fd4e532c54ca3…

MALICIOUS

PDF

33.2 KB Created: 2020-04-21 08:08:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: eb98c0e1c06259d1ac92a21ad55017ee SHA-1: c103135e7ba376c718a66421b5929d7f251c9976 SHA-256: 2d0fd4e532c54ca3ed9a82ca3020bd7c80b715c986557d63c5f34919c9b4b21d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier also flagged this PDF as malicious with a high score. The embedded URLs suggest a link farm or SEO manipulation tactic, likely intended to redirect users to malicious sites or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9655

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://thert66xtracts.com/uploads/1/3/1/6/131606688/131606688.html#icelandic+mountain+guides+solheimajokull
    • http://cathaircreations.com/uploads/1/3/0/5/130590458/fcd813.pdf
    • http://groupelmpinc.com/uploads/1/3/1/4/131438835/8197995.pdf
    • http://rubyandgwen.com/uploads/1/3/0/5/130551856/383049.pdf
    • http://innovationbroadcastservice.live/uploads/1/3/0/4/130476575/najegubuka_sajifesidefe.pdf
    • http://rick8.com/uploads/1/3/1/4/131453996/wevomes.pdf
    • http://keannasade.com/uploads/1/3/0/7/130739629/xeposozaliv-tikuzegogejit-narejozipemivu.pdf
    • http://fabyzen.com/uploads/1/3/1/3/131384145/665352.pdf
    • http://innovationbroadcasts

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