Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7407768b1bc998f…

MALICIOUS

PDF

11.6 KB Created: 2015-07-15 16:24:02 +04:00 Authoring application: DOMPDF
MD5: 56aec90737aeacd90275fc57d621981e SHA-1: cc363339a86a3bb4f468f76d443a4b0bb56fab52 SHA-256: f7407768b1bc998f47f704ef15df99c2ba810370e91950384217eb03bd83f003
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a significant number of embedded URLs pointing to various external websites. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external link farm, suggesting the primary purpose is to drive traffic to these sites. The document body, though partially corrupted, contains text related to 'binary options software' and 'no deposit bonus', which are common lures in financial scams. No scripts were extracted from this sample.

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://chavagnes.com/index.php?article=1342.2&urwbo=2&pdf=1342
    • http://radiocepea.com/index.php?article=938.1&pvbba=1&pdf=938
    • http://ve-klubben.dk/index.php?article=1278.1&zcpvv=1&pdf=1278
    • http://chavagnes.com/index.php?article=1008.2&urwbo=2&pdf=1008
    • http://www.mantrabeautybar.ca/index.php?article=1921.1&rukbv=1&pdf=1921
    • http://chavagnes.com/index.php?article=2131.2&urwbo=2&pdf=2131
    • http://www.masajesmexicali.com/index.php?article=1061.1&pjtcs=1&pdf=1061
    • http://marcogulf.com/index.php?article=1925.1&puzto=1&pdf=1925
    • http://fresh2death.com/index.php?article=1279.1&lzrlo=1&pdf=1279
    • http://chavagnes.com/index.php?article=2372.2&urwbo=2&pdf=2372
    • http://chavagnes.com/index.php?article=1880.2&urwbo=2&pdf=1880
    • http://chavagnes.com/index.php?article=247.2&urwbo=2&pdf=247
    • http://brightworldinfotech.com/index.php?article=50.1&qfqoh=1&pdf=50
    • http://chavagnes.com/index.php?article=2468.2&urwbo=2&pdf=2468
    • http://healthcare2-concepts.com/index.php?article=241.1&syyyl=1&pdf=241
    • http://chavagnes.com/index.php?article=2264.2&urwbo=2&pdf=2264
    • http://topofbrands.com/index.php?article=67.2&jduka=2&pdf=67

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