Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3b47906f04bd583…

MALICIOUS

PDF

6.5 KB Created: 2015-06-04 18:29:22 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 4889abe5201cd75de1f63f2190322786 SHA-1: d24a9230878ee84f41a1401624b4119299073d7a SHA-256: a3b47906f04bd58315cd27dc42077313a1eb0c5832bb1ded5e59ef62435e96ee
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains numerous embedded URLs, all related to binary options trading, suggesting a lure for financial scams or phishing. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5564

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://www.mafiaracing.com/index.php?wiki/04/06/2015/marketleader/binary+signals.pdf&psgtl=3&news=390 PDF link annotation
    • http://supplementalsounds.com/index.php?wiki/04/06/2015/genesis/binary+options+hedging.pdf&acwco=2&news=407In PDF document text
    • http://gendoc.es/index.php?wiki/04/06/2015/ragherrie/binary+profit+code+review.pdf&bihig=1&news=193In PDF document text
    • http://shreerealty.co.in/index.php?wiki/04/06/2015/juvelir/is+binary+options+worth+it.pdf&wzadu=1&news=2464In PDF document text
    • http://brevardfamilywalkinclinic.com/index.php?wiki/04/06/2015/modern/binary+option+help.pdf&rduis=4&news=124In PDF document text
    • http://kayafestival.com/index.php?wiki/04/06/2015/gossip/no+1+binary+option+broker.pdf&ddcfy=1&news=99In 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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