Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ecafc76f2e1ab76…

MALICIOUS

PDF

6.8 KB Created: 2015-06-04 18:29:41 +04:00 Authoring application: DOMPDF First seen: 2015-06-30
MD5: 51311c4edf92dbdd7e37499a4f1614a2 SHA-1: c4efa87673e31d1c698e1c36cf566b4d96648a87 SHA-256: 8ecafc76f2e1ab76c43d907bcdd6c0448ae41f68c6b09bbaa5329485946dcd98
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. The ML classifier flagged the document as malicious, and the presence of external URIs suggests a redirection to potentially malicious websites. The document body, though truncated, also contains these URLs and text related to trading strategies, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5040

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://timfelsky.com/index.php?wiki/04/06/2015/crispwoo/binary+option+model.pdf&fxdgz=1&news=725 In PDF document text
    • http://nicholasburgess.com/index.php?wiki/04/06/2015/youraveragego/1+minute+binary+option+strategy.pdf&rospy=2&news=2709In PDF document text
    • http://wedesignitall.com/index.php?wiki/04/06/2015/boston/mobile+binary+options.pdf&efbqu=1&news=1615In PDF document text
    • http://sheerselfpublishing.com/index.php?wiki/04/06/2015/gameguru/binary+system+x+trading.pdf&xwazt=1&news=1751In PDF document text
    • http://supplementalsounds.com/index.php?wiki/04/06/2015/genesis/binary+options+hedging.pdf&acwco=2&news=1179In PDF document text
    • http://www.cityofcarmi.org/index.php?wiki/04/06/2015/seventeen/binary+option+system+008.pdf&khfas=1&news=666In 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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