Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd4afe0bcfbc7234…

MALICIOUS

PDF

6.9 KB Created: 2015-06-04 18:29:03 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 920bfa9045f12916dbec32f21d4b1ab2 SHA-1: 2e074ee7d592b00261bf84accb7f492ac6795746 SHA-256: dd4afe0bcfbc7234b038d886720fc91fdd7cedcb6f53fb66a343fa2770448dcc
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs related to binary options trading. The ML classifier flagged this PDF as malicious, and the presence of numerous external links suggests a social engineering attempt to direct the user to potentially malicious websites. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6631

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.productosherbal.es/index.php?wiki/04/06/2015/splendid/what+is+a+binary+options+account.pdf&nsoaw=1&news=1041 In PDF document text
    • http://kwant.pl/index.php?wiki/04/06/2015/portland/binary+options+500.pdf&hlvtt=1&news=2160In PDF document text
    • http://viafoliar.cl/index.php?wiki/04/06/2015/drustan/binary+trading+tips+and+tricks.pdf&ytnox=1&news=120In PDF document text
    • http://canyoncoal.com/index.php?wiki/04/06/2015/serendibleisure/binary+option+application.pdf&tteow=1&news=373In PDF document text
    • http://www.safari.kiev.ua/index.php?wiki/04/06/2015/newsone/binary+options+593.pdf&hopcd=1&news=1189In PDF document text
    • http://adafilmleri.com/index.php?wiki/04/06/2015/hamile/binary+option+blog.pdf&wfega=1&news=2779In 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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