Malicious PDF — malware analysis report

Static analysis result for SHA-256 845a517944b53795…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:29:20 +04:00 Authoring application: DOMPDF First seen: 2015-06-30
MD5: f4700bb298a055a1da58acdff1c2970a SHA-1: e8a3ae96b4e8e5ec1739c051b158c5f13cae30e9 SHA-256: 845a517944b53795b489b53b0c30d42f7dfc7b96a086fc134a7ad0d92974ac1a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, identified as part of a link farm, that all point to sites discussing binary options. The heuristic 'PDF_SEO_PHP_GATEWAY_LINK_FARM' indicates this is likely an SEO spam tactic to drive traffic to these sites. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the content suggest a phishing or scam attempt, potentially leveraging social engineering around financial trading.

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://destilleria.com/index.php?wiki/04/06/2015/productfolio/binary+options+newsletter.pdf&fhrqa=1&news=2003 In PDF document text
    • http://www.fitbodyelite.com/index.php?wiki/04/06/2015/readersdigest/example+of+binary+option.pdf&ivrjx=1&news=1189In PDF document text
    • http://www.mafiaracing.com/index.php?wiki/04/06/2015/marketleader/binary+signals.pdf&psgtl=3&news=1138In PDF document text
    • http://oilflux.com/index.php?wiki/04/06/2015/digidroid/binaryoptions.net.au.pdf&kclnt=8&news=2397In PDF document text
    • http://www.elvensenatacao.com/index.php?wiki/04/06/2015/enormoz/binary+option+system+96.pdf&uxipl=1&news=344In PDF document text
    • http://supplementalsounds.com/index.php?wiki/04/06/2015/genesis/binary+options+hedging.pdf&acwco=2&news=598In 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 4

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

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