Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbe96c8cdcbcf4b5…

MALICIOUS

PDF

22.7 KB Created: 2020-04-11 06:45:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c0286593f1b67c8a7146ce24fbcaca83 SHA-1: 60d724a681f01c6ecb8f8d36325fa60fc9efe743 SHA-256: fbe96c8cdcbcf4b514eeab17d571de921ff13fe5819a733b0f651df98b3e5637
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDFs, suggesting a link farm or redirection scheme. The document body, though heavily obfuscated, contains text related to 'Robert Greene laws of power pdf' and the wkhtmltopdf tool, indicating a lure to download further content. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9889

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://lunchatcdc.com/uploads/1/3/0/8/130874671/130874671.html#robert+greene+laws+of+power+pdf
    • http://franquiciafuxion.com/uploads/1/3/0/6/130620282/nikolupoti-bejosixuvada-niles.pdf
    • http://rernonks.com/uploads/1/3/0/5/130588389/ee742de1f298.pdf
    • http://bellaandpolly.com/uploads/1/3/0/6/130639567/delerewulab-miworeliku-taxir.pdf
    • http://etcbook.com/uploads/1/3/1/4/131408439/rimojapovexo.pdf
    • http://mercantiledarlings.com/uploads/1/3/0/8/130814157/bubonenuwujadet.pdf
    • http://lionlifeacademysports.org/uploads/1/3/1/0/131070529/rozibuzopidekepunup.pdf
    • http://gcprofiling.com/uploads/1/3/0/2/130288549/2669971.pdf
    • http://www.thedollhousellc.com/uploads/1/3/0/3/130379435/badigajole.pdf

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