Malicious PDF — malware analysis report

Static analysis result for SHA-256 924137b825d760e7…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:30:59 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 55d3030ba5052d5b3ea37c71e9a04357 SHA-1: 51a420e3ab9ffe0a5e72e6cc67280423b9b9ee53 SHA-256: 924137b825d760e71f7e7adea9e95119b6670c2b2013d99ba442df5dfee0faee
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs, all of which point to domains related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body, though truncated, reinforces the theme of financial trading. The primary attack vector appears to be social engineering through these links, aiming to direct users to potentially malicious or scam-related websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5034

Heuristics 2

  • PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARM
    PDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://ozsoyenerji.com/index.php?wiki/04/06/2015/shredoptics/binary+trading+canada.pdf&laeen=1&news=1877 In PDF document text
    • http://www.growlercreative.com/index.php?wiki/04/06/2015/ukmplus/binary+option+zip.pdf&fptxh=1&news=620In PDF document text
    • http://www.yuzbasiogluproje.com.tr/index.php?wiki/04/06/2015/juventus/binary+options+xls.pdf&kqwap=1&news=1158In PDF document text
    • http://www.skillmadeiras.com.br/index.php?wiki/04/06/2015/crytix/u.s.+binary+options.pdf&pbqku=1&news=1629In PDF document text
    • http://studio89.fr/index.php?wiki/04/06/2015/simplepress/ubinary+broker+review.pdf&kfiny=2&news=404In PDF document text
    • http://brevardfamilywalkinclinic.com/index.php?wiki/04/06/2015/modern/binary+option+help.pdf&rduis=4&news=2199In PDF document text
    • http://www.supermaraton.eu/index.php?wiki/04/06/2015/housepop/binaryoptionstradingguide.com.pdf&owutp=1&news=sitemapIn PDF document text

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