Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e9482506ab6c32f…

MALICIOUS

PDF

33.6 KB Created: 2020-04-25 20:15:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 1416c42ffae41f2c71c18385aa181140 SHA-1: d81aabc82570394707c23bbc8c3fdbaab5db553f SHA-256: 0e9482506ab6c32f09fa14f0b0eb78bd05592a69e1ba6308ba9b8ffd0f1aa85e
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, suggesting a link farm or redirection scheme to malicious websites. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate an attempt to redirect users to potentially harmful content, likely as part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8494

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://gamergoodz.com/uploads/1/3/0/3/130379522/130379522.html#vacuna+antineumoc%C3%B3cica+conjugada+pdf
    • http://thecastlerockroofers.com/uploads/1/3/0/7/130776367/xubitozetamibuxizun.pdf
    • http://homestayswjosee.com/uploads/1/3/0/2/130289682/f0721a17c5437.pdf
    • http://akidandacamera.com/uploads/1/3/0/5/130547846/fagavanuviwuwul_piwibuwokemik_sewozifa_ziwona.pdf
    • http://musicandpeople.com/uploads/1/3/0/7/130738785/kasarumojapaxukebe.pdf
    • http://concretetesting.org/uploads/1/3/0/2/130289668/770b77.pdf
    • http://ecovibesak.com/uploads/1/3/0/5/130588151/117915.pdf
    • http://tabbysavannah.com/uploads/1/3/0/5/130589317/8044defde43852f.pdf

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