Malicious PDF — malware analysis report

Static analysis result for SHA-256 26c020d3a164cd59…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:30:49 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 82f44da91f5643da29947d7e787c5ed2 SHA-1: 39a7af8da069c6aad6af50750597ef0c53638381 SHA-256: 26c020d3a164cd59dfd1149115dbc5da2dad5a136d7575dcae89290d147f390f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains multiple external URLs, all related to binary options trading. The ML classifier flagged this PDF as malicious, and the presence of these URLs suggests a phishing or scam attempt. 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.maler-moelich.de/index.php?wiki/04/06/2015/onecommunity/binary+options+trading+signals+youtube.pdf&fduga=1&news=2268 In PDF document text
    • http://www.vanwillegenconsult.nl/index.php?wiki/04/06/2015/themefuse/binary+options+easy.pdf&oxhqf=1&news=417In PDF document text
    • http://brevardfamilywalkinclinic.com/index.php?wiki/04/06/2015/modern/binary+option+help.pdf&rduis=4&news=2277In PDF document text
    • http://manny-group.com.mx/index.php?wiki/04/06/2015/framwork/binary+options+explanation.pdf&ykipk=1&news=1991In PDF document text
    • http://www.zsbawi.ch/index.php?wiki/04/06/2015/enormoz/binary+options+magnet.pdf&wzxxc=5&news=2329In PDF document text
    • http://johneagerroofingmaintenanceandrepair.com/index.php?wiki/04/06/2015/newline/binary+uk+reviews.pdf&zcloc=1&news=2686In 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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