Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb156bb394525f7f…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:32:28 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 8e6e83700b11702fd2719910e294a48c SHA-1: 347d78cf6504b4ec221ce6002fd19a89719978d1 SHA-256: cb156bb394525f7fa478218a69a33febecbc2479f7e56a1b75e8d305f5525d84
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs related to binary options trading, suggesting a lure for financial scams or phishing. The ML classifier also flagged this PDF as malicious. The document body text reinforces this by discussing various aspects of options and trading. No scripts were extracted from this sample.

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.yuzbasiogluproje.com.tr/index.php?wiki/04/06/2015/juventus/binary+options+xls.pdf&kqwap=1&news=797 In PDF document text
    • http://breezeinn.com.au/index.php?wiki/04/06/2015/guesthouse/markets+world+binary+review.pdf&ftzpd=1&news=1058In PDF document text
    • http://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=2707In PDF document text
    • http://studio89.fr/index.php?wiki/04/06/2015/simplepress/ubinary+broker+review.pdf&kfiny=2&news=568In PDF document text
    • http://decked.co.uk/index.php?wiki/04/06/2015/gentsgdgts/binary+brokers+youtube.pdf&xrynp=2&news=1594In PDF document text
    • http://smart-retail.es/index.php?wiki/04/06/2015/golfasia/24+binary+options.pdf&fnkkl=1&news=326In 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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