Malicious PDF — malware analysis report

Static analysis result for SHA-256 86d5e6e3244c59fc…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:29:13 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 9c487b6d865d1636ee5e320736035258 SHA-1: b27c8481b40516661889784c10ec6037a484635c SHA-256: 86d5e6e3244c59fc0ffc0579997a44208abda1ab6deb1cc00cc7be2708593b15
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that are part of a link farm, promoting binary options trading. The heuristic 'PDF_SEO_PHP_GATEWAY_LINK_FARM' indicates this is likely an SEO spam campaign. While no scripts were directly extracted, the embedded URLs and document body content suggest a phishing or scam attempt to direct users to potentially malicious trading platforms.

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.plzenska-knihvazba.cz/index.php?wiki/04/06/2015/newsley/binary+option+handel.pdf&oljvs=2&news=832 In PDF document text
    • http://www.narcisoevenere.com/index.php?wiki/04/06/2015/supportpress/synthetic+binary+option.pdf&lszpa=1&news=956In PDF document text
    • http://idsintdecontamination.com/index.php?wiki/04/06/2015/geveze/binary+stock+video.pdf&jcjyi=1&news=1455In PDF document text
    • http://kayafestival.com/index.php?wiki/04/06/2015/gossip/no+1+binary+option+broker.pdf&ddcfy=1&news=1773In PDF document text
    • http://darshopticians.com/index.php?wiki/04/06/2015/busscher/example+of+binary+options.pdf&arzur=1&news=1497In PDF document text
    • http://www.bluematters.be/index.php?wiki/04/06/2015/celebnetworth/binary+options+u+s+based.pdf&jjvup=1&news=23In 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 6

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

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