Malicious PDF — malware analysis report

Static analysis result for SHA-256 e900b7c8716b951f…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:28:39 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: caa58e65fbd43aa18af14d2a5748a609 SHA-1: c00d0201264c60998ced6d935db1e5842d8d5dfc SHA-256: e900b7c8716b951fe93e859ed9933474f753831909536e0ceeb44e7eb2601c77
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs that all point to domains related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body text reinforces this theme, discussing trading options and investment. The primary attack vector appears to be directing users to potentially malicious or scam websites via these links.

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=1372 In PDF document text
    • http://www.cityofcarmi.org/index.php?wiki/04/06/2015/seventeen/binary+option+system+008.pdf&khfas=1&news=1786In PDF document text
    • http://timfelsky.com/index.php?wiki/04/06/2015/crispwoo/binary+option+model.pdf&fxdgz=1&news=787In PDF document text
    • http://www.recruitify.se/index.php?wiki/04/06/2015/heritagecc/binary+option+no+minimum+deposit.pdf&ogfda=1&news=313In PDF document text
    • http://www.zsbawi.ch/index.php?wiki/04/06/2015/enormoz/binary+options+magnet.pdf&wzxxc=5&news=1493In PDF document text
    • http://rafcar24.pl/index.php?wiki/04/06/2015/letizia/binary+option+usa.pdf&fnewq=1&news=1817In 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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