Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7a8a1f6ae10a2d7…

MALICIOUS

PDF

5.0 KB Created: 2015-06-03 16:39:55 +03:00 Authoring application: DOMPDF
MD5: 634ba1cfad2168e1f6eb92980f52d94c SHA-1: 7508c49e2c83fb7fe17857be71813e907db525c2 SHA-256: b7a8a1f6ae10a2d7b1869c7c34620e9cc9a969f64cd768fc1b20e70f59f4e090
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though truncated, also repeats these URLs and discusses forex trading, suggesting a lure to external, potentially malicious, content. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Heuristics 2

  • 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.
  • 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://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1206
    • http://www.prequine.com/index.php?2015/torcida.pdf&fcldj=1&aspx=1610
    • http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=373
    • http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=1013
    • http://www.prequine.com/index.php?2015/torcida.pdf&fcldj=1&aspx=2062
    • http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=sitemap

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