Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad47389b7696fd72…

MALICIOUS

PDF

11.3 KB Created: 2015-07-15 14:38:29 +04:00 Authoring application: DOMPDF
MD5: d32d08108fa3df82430c0c62d83a3793 SHA-1: 29653a3ed4a89e3867862fd6a7854ecdf4b74ae0 SHA-256: ad47389b7696fd72dcbde452a7620a548bc340631b8e9639814cac1e1aa398df
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The document body contains text related to binary options and includes several of these URLs, suggesting a lure to external content. No scripts were extracted, but the sheer volume of links points to a likely SEO manipulation or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9048

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://photo-file.ru/index.php?article=657.1&wehsa=1&pdf=657
    • http://www.protop.co.il/index.php?article=1156.1&nraga=1&pdf=1156
    • http://www.dikiliermanoto.com/index.php?article=299.1&snsfa=1&pdf=299
    • http://photo-file.ru/index.php?article=1443.1&wehsa=1&pdf=1443
    • http://krummenacher-haustechnik.ch/index.php?article=368.1&ptfan=1&pdf=368
    • http://photo-file.ru/index.php?article=399.1&wehsa=1&pdf=399
    • http://castres-ski-passion.fr/index.php?article=1095.2&rpbeh=2&pdf=1095
    • http://www.lole.cl/index.php?article=2011.1&fadfz=1&pdf=2011
    • http://www.robinprime.com/index.php?article=84.1&bedxv=1&pdf=84
    • http://photo-file.ru/index.php?article=1514.1&wehsa=1&pdf=1514
    • http://photo-file.ru/index.php?article=1356.1&wehsa=1&pdf=1356
    • http://photo-file.ru/index.php?article=336.1&wehsa=1&pdf=336
    • http://urbanindoorgs.com/index.php?article=13.1&lkbfl=1&pdf=13
    • http://photo-file.ru/index.php?article=2354.1&wehsa=1&pdf=2354
    • http://www.mantrabeautybar.ca/index.php?article=1343.1&rukbv=1&pdf=1343
    • http://photo-file.ru/index.php?article=1039.1&wehsa=1&pdf=1039
    • http://unibindsport.no/index.php?article=1951.1&ufueq=1&pdf=1951

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