Malicious PDF — malware analysis report

Static analysis result for SHA-256 af48d361339eeb38…

MALICIOUS

PDF

7.0 KB Created: 2015-06-08 01:23:16 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: ea46c89a81a09b03961ae1f5d684a152 SHA-1: f2c8adb659fda7c2affd9f5f8fecfdc8b54fbf9c SHA-256: af48d361339eeb38e0f60131dc50dc997b93ae9a09bb35f06689472e1a3fc7f8
62 Risk Score

Malware Insights

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

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, though partially corrupted, also contains references to stock trading and binary options, reinforcing the lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6281

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.targetdigital.com.br/index.php?lukesuf/2015/wiki/binary+option+profits.pdf&oradu=3&news=4361 In PDF document text
    • http://www.stylingyoubeautiful.com/index.php?wishbox/2015/wiki/binary+options+software.pdf&uvdln=1&news=3983In PDF document text
    • http://pinamar.com.ar/index.php?receitasdept/2015/wiki/binary+options+macd.pdf&wqpfa=3&news=4509In PDF document text
    • http://www.mastronardihogar.com.ar/index.php?gadgetine/2015/wiki/binary+option+illegal.pdf&runhe=1&news=4884In PDF document text
    • http://www.stylingyoubeautiful.com/index.php?wishbox/2015/wiki/binary+options+software.pdf&uvdln=1&news=5826In PDF document text
    • http://www.targetdigital.com.br/index.php?lukesuf/2015/wiki/binary+option+profits.pdf&oradu=3&news=4031In PDF document text
    • http://www.sehgal.co.in/index.php?campusfocus/2015/wiki/binary+trading+best+site.pdf&yyjsx=2&news=sitemapIn PDF document text

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