Malicious PDF — malware analysis report

Static analysis result for SHA-256 93e70f9b666224d4…

MALICIOUS

PDF

7.1 KB Created: 2015-06-04 18:30:31 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 8d0c8f76e78113f9b4b2f2a3b22fbdb4 SHA-1: 8b385a2bc343a5d9a3d852c8504584fb7ad1a28f SHA-256: 93e70f9b666224d4eb0dca8f765e6e3d2f7f66a5998d27d0573f26f553271e1d
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 these links suggests a social engineering attempt to direct users 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=860 In PDF document text
    • http://irwaa.com/index.php?wiki/04/06/2015/filmrezensionen/auto+binary+code+review.pdf&hcueh=2&news=522In PDF document text
    • http://www.etiket.es/index.php?wiki/04/06/2015/naturalcare/binary+options+japan+regulation.pdf&jzyti=1&news=2340In PDF document text
    • http://emergustechnologies.com/index.php?wiki/04/06/2015/magazeen/binary+code+system+reviews.pdf&niplb=1&news=733In PDF document text
    • http://medicareplansusa.com/index.php?wiki/04/06/2015/enetspark/binary+options+20+minimum+deposit.pdf&chnqc=1&news=1167In PDF document text
    • http://www.pumpskins.com/index.php?wiki/04/06/2015/yamidootest/binary+option+system.pdf&tqfod=1&news=417In 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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