Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a6ace042a28d4a1…

MALICIOUS

PDF

12.1 KB Created: 2015-07-14 19:50:40 +03:00 Authoring application: DOMPDF
MD5: 0628330517ad048460ebd29f056e7de2 SHA-1: 20f08ed43108b3b87ec02e2a2157bc73d808462b SHA-256: 8a6ace042a28d4a105e99cf829a63f43d03c129f9f2fc750c00e762052de9a8f
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a large number of embedded URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates that the PDF is designed to link to numerous external sites, likely for SEO manipulation or to distribute further malicious content. The document body contains text related to binary trading, which may serve as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8959

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.cmpartners.com.au/index.php?article=1969.1&vhbyw=1&pdf=1969
    • http://kajaja.com/index.php?article=2046.2&jixgx=2&pdf=2046
    • http://yargame.ru/index.php?article=137.1&xntgn=1&pdf=137
    • http://www.cmpartners.com.au/index.php?article=2228.1&vhbyw=1&pdf=2228
    • http://worldmachinery.co.in/index.php?article=1680.2&ihvdy=2&pdf=1680
    • http://www.cmpartners.com.au/index.php?article=667.1&vhbyw=1&pdf=667
    • http://funnystupidjunky.com/index.php?article=486.2&unkyf=2&pdf=486
    • http://www.lubiezdjecia.pl/index.php?article=872.1&jwddp=1&pdf=872
    • http://spicy-elephant.com/index.php?article=66.2&douzq=2&pdf=66
    • http://www.cmpartners.com.au/index.php?article=2315.1&vhbyw=1&pdf=2315
    • http://www.cmpartners.com.au/index.php?article=776.1&vhbyw=1&pdf=776
    • http://www.cmpartners.com.au/index.php?article=1446.1&vhbyw=1&pdf=1446
    • http://360mediagrouponline.com/index.php?article=730.7&pseww=7&pdf=730
    • http://www.cmpartners.com.au/index.php?article=397.1&vhbyw=1&pdf=397
    • http://sinavlia.gr/index.php?article=147.5&cypki=5&pdf=147
    • http://www.cmpartners.com.au/index.php?article=1523.1&vhbyw=1&pdf=1523
    • http://communaute-francaise-sdf.com/index.php?article=2362.3&lgihk=3&pdf=2362

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