Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc37048c925e6cb9…

MALICIOUS

PDF

7.0 KB Created: 2015-06-04 18:32:16 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 54c188aea90516e7e42eb4fc63f71156 SHA-1: de01f8e2b69dbc82de6fbbec36b0baa37f562ef5 SHA-256: bc37048c925e6cb9e2b73978a923b07bf26b31a1e1c8ab54a1b785be93ab9d10
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are all related to binary options trading. The ML classifier flagged this PDF as malicious, and the presence of these links suggests a phishing or scam attempt. The document body also contains these URLs and text related to trading, reinforcing the lure. 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://caskaeliteaudio.com.br/index.php?wiki/04/06/2015/pandrade/binary+options+formula.pdf&qdvaj=1&news=781 In PDF document text
    • http://www.fonology.it/index.php?wiki/04/06/2015/couponpress/binary+metatrader.pdf&qktyx=1&news=2920In PDF document text
    • http://highlandsmommies.org/index.php?wiki/04/06/2015/degusto/binary+option+system+j25.pdf&qejwh=3&news=145In PDF document text
    • http://imaginecoms.es/index.php?wiki/04/06/2015/articlecell/5+dollar+binary+option.pdf&fgxuy=4&news=1749In PDF document text
    • http://www.sasopapp.com/index.php?wiki/04/06/2015/gidonline/binary+options+website.pdf&nflvq=1&news=439In PDF document text
    • http://www.lowestmedicareplans.com/index.php?wiki/04/06/2015/marriage/binary+code+options.pdf&hjnjz=1&news=1171In 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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