Malicious PDF — malware analysis report

Static analysis result for SHA-256 0515365fb5bfb5ab…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:32:10 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: 6076e0c5b800447f8cd5b645a240d50c SHA-1: b84a351e9e404071c4a12ee643d9ee7a0f4902ea SHA-256: 0515365fb5bfb5abef07dfc74956889cb2aa85ce9969ef0131f1c8483ae17f8e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that point to external websites, identified by the 'PDF_SEO_PHP_GATEWAY_LINK_FARM' heuristic. These URLs are likely used for SEO spam or to direct users to potentially malicious sites. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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://www.lowestmedicareplans.com/index.php?wiki/04/06/2015/marriage/binary+code+options.pdf&hjnjz=1&news=1983 In PDF document text
    • http://irwaa.com/index.php?wiki/04/06/2015/filmrezensionen/auto+binary+code+review.pdf&hcueh=2&news=2232In PDF document text
    • http://www.recruitify.se/index.php?wiki/04/06/2015/heritagecc/binary+option+no+minimum+deposit.pdf&ogfda=1&news=1151In PDF document text
    • http://festivalstemadeleine.com/index.php?wiki/04/06/2015/globalnhatrang/mt4+to+binary+options.pdf&ozknt=4&news=2836In PDF document text
    • http://networkmedia.tv/index.php?wiki/04/06/2015/expedia/1+minute+binary+options+system.pdf&sxgko=2&news=1713In PDF document text
    • http://www.emergustechnologies.com/index.php?wiki/04/06/2015/triumph/binary+options+pro+signals.pdf&kidwe=1&news=473In 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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