Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f44c91cc454712b…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:31:54 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 80fd760fde28b3866163939cd742c781 SHA-1: 522e6aa0031a4d126fcfb00e93574b0f232c8113 SHA-256: 1f44c91cc454712b0def4d6a55862b402c6b12e7dbe92b80931b9f86247a6b05
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains numerous embedded URLs, all pointing to external websites related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body text, though truncated, also contains references to binary options and related financial topics, reinforcing the lure. The primary attack pattern involves directing users to these external sites, likely for phishing or financial scams.

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://smart-retail.es/index.php?wiki/04/06/2015/golfasia/24+binary+options.pdf&fnkkl=1&news=1823 In PDF document text
    • http://www.safari.kiev.ua/index.php?wiki/04/06/2015/newsone/binary+options+593.pdf&hopcd=1&news=2787In PDF document text
    • http://pit-service.com.ua/index.php?wiki/04/06/2015/playhouse/binary+options+10+minimum+deposit.pdf&hochy=1&news=680In PDF document text
    • http://wedesignitall.com/index.php?wiki/04/06/2015/boston/mobile+binary+options.pdf&efbqu=1&news=1143In PDF document text
    • http://chasingfiber.com/index.php?wiki/04/06/2015/vaicomtudo/binary+brokers+canada.pdf&bjydv=1&news=716In PDF document text
    • http://hmjamaat.com/index.php?wiki/04/06/2015/medica/binary+options+ebooks.pdf&hrvuw=2&news=2898In PDF document text
    • http://www.supermaraton.eu/index.php?wiki/04/06/2015/housepop/binaryoptionstradingguide.com.pdf&owutp=1&news=sitemapIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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