Malicious PDF — malware analysis report

Static analysis result for SHA-256 149b69829373ea77…

MALICIOUS

PDF

7.0 KB Created: 2015-06-04 18:30:47 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: e27fad46254972e5a431ed7293f15b87 SHA-1: 5bcc07958f6bb5449bb7e274ff82acdf5d870e95 SHA-256: 149b69829373ea77002f966ed4eab84563ae461b6eb6f92b594b1d6dc3991fd6
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links disguised as legitimate content, promoting binary options trading services. The ML classifier flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to redirect users to potentially malicious or scam-related websites. No scripts were extracted, but the overall structure and content indicate a phishing or SEO spam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6631

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://4smokers.dk/index.php?wiki/04/06/2015/funnypictures/binaryoptionsdaily.com+forum.pdf&fdzwn=1&news=2634 PDF link annotation
    • http://www.vgshop.co.il/index.php?wiki/04/06/2015/cleanheader/japanese+binary+options.pdf&pwnda=4&news=1128In PDF document text
    • http://www.gopelion.com/index.php?wiki/04/06/2015/mataam/cfd+binary+options.pdf&iiktw=2&news=1294In PDF document text
    • http://www.narcisoevenere.com/index.php?wiki/04/06/2015/supportpress/synthetic+binary+option.pdf&lszpa=1&news=1890In PDF document text
    • http://www.fonology.it/index.php?wiki/04/06/2015/couponpress/binary+metatrader.pdf&qktyx=1&news=2376In PDF document text
    • http://gendoc.es/index.php?wiki/04/06/2015/ragherrie/binary+profit+code+review.pdf&bihig=1&news=2784In 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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