Malicious PDF — malware analysis report

Static analysis result for SHA-256 a83a918fdc3f162f…

MALICIOUS

PDF

4.7 KB Created: 2015-06-03 16:37:49 +03:00 Authoring application: DOMPDF
MD5: 00e3655514c7aa223c3108b2c84ed465 SHA-1: 4327606e1d3a44e784fe7aab5e911927cbb0307a SHA-256: a83a918fdc3f162fc57f98e323accb2b4d09e8ab307e779488132e39e8deb94b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO link farming or to redirect users to malicious sites. The document body also contains numerous links and text related to forex trading, suggesting a lure to attract users interested in financial schemes. No scripts were extracted from this sample, limiting the ability to determine further malicious intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier clean score 0.1457

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=1138
    • http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=810
    • http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=1742
    • http://www.prequine.com/index.php?2015/torcida.pdf&fcldj=1&aspx=566
    • http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=316
    • http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=sitemap