Malicious PDF — malware analysis report

Static analysis result for SHA-256 5885cb7ebdabb788…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:30:43 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 2b1c1c6359cd1a6a3e837ab4c61151ed SHA-1: 10939aa3b7afd82e7fc761908881d088e8378948 SHA-256: 5885cb7ebdabb788645791c01fe09e3a9b454211601b37ddc576686d5a36d0f7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs that are all related to binary options trading. The ML classifier flagged the document as malicious, and the presence of these links suggests a lure to a scam or phishing site. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior.

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://orunmarine.com/index.php?wiki/04/06/2015/mundoindica/$10+binary+options.pdf&wxnjt=1&news=946 In PDF document text
    • http://www.vanwandelensweets.eu/index.php?wiki/04/06/2015/baovethientam/binary+option+jackpot.pdf&qbtie=1&news=436In PDF document text
    • http://oilflux.com/index.php?wiki/04/06/2015/digidroid/binaryoptions.net.au.pdf&kclnt=8&news=999In PDF document text
    • http://studio89.fr/index.php?wiki/04/06/2015/simplepress/ubinary+broker+review.pdf&kfiny=2&news=866In PDF document text
    • http://herbalshop.com.ua/index.php?wiki/04/06/2015/ephototheme/binary+option+in+malaysia.pdf&cahug=1&news=847In PDF document text
    • http://selye.hu/index.php?wiki/04/06/2015/broadcast/binary+trade+canada.pdf&cbavp=1&news=481In 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 5

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

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