Malicious PDF — malware analysis report

Static analysis result for SHA-256 2267e3948da9322c…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:32:20 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 48018ab738c5b3c04b0ba335afcf819d SHA-1: 4f0550ebfacdb7193060931582f2f98cc53709e0 SHA-256: 2267e3948da9322c3c8f183d9cdd7e6d0ee4d5a0af4b8fcd2305fb9cdd828b62
62 Risk Score

Malware Insights

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

The PDF file contains numerous embedded URLs that all point to domains related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body text reinforces this theme, mentioning 'Cashing out employee stock options' and various binary trading terms. The primary attack pattern involves luring the user to click these external links, likely leading to a phishing or scam operation.

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://festivalstemadeleine.com/index.php?wiki/04/06/2015/globalnhatrang/mt4+to+binary+options.pdf&ozknt=4&news=416 In PDF document text
    • http://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=1430In PDF document text
    • http://timfelsky.com/index.php?wiki/04/06/2015/crispwoo/binary+option+model.pdf&fxdgz=1&news=1797In PDF document text
    • http://wedesignitall.com/index.php?wiki/04/06/2015/boston/mobile+binary+options.pdf&efbqu=1&news=1877In PDF document text
    • http://landstar.kz/index.php?wiki/04/06/2015/metrolic/binary+options+fraud.pdf&inxpd=1&news=1011In PDF document text
    • http://johneagerroofingmaintenanceandrepair.com/index.php?wiki/04/06/2015/newline/binary+uk+reviews.pdf&zcloc=1&news=886In 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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