Malicious PDF — malware analysis report

Static analysis result for SHA-256 93871ef27b6add0b…

MALICIOUS

PDF

6.8 KB Created: 2015-06-04 18:30:33 +04:00 Authoring application: DOMPDF First seen: 2015-06-30
MD5: 29af34fba13316ba51d1e3b1097c59ea SHA-1: bc4004dd591e301b916dcdf09e84c5fc00b50387 SHA-256: 93871ef27b6add0bba2d7e075a19c61c0d2d36815216819bed134e567a9ebca7
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 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, limiting the analysis of direct payload execution.

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://adafilmleri.com/index.php?wiki/04/06/2015/hamile/binary+option+blog.pdf&wfega=1&news=2590 In PDF document text
    • http://controlsoft.com.br/index.php?wiki/04/06/2015/mandulaliget/binary+options+on+optionsxpress.pdf&txlqs=1&news=1154In PDF document text
    • http://www.narcisoevenere.com/index.php?wiki/04/06/2015/supportpress/synthetic+binary+option.pdf&lszpa=1&news=347In PDF document text
    • http://www.cullenseniorsolutions.com/index.php?wiki/04/06/2015/shelflife/$1+binary+options.pdf&sodkq=1&news=823In PDF document text
    • http://darshopticians.com/index.php?wiki/04/06/2015/busscher/example+of+binary+options.pdf&arzur=1&news=1802In PDF document text
    • http://nuhyatsanayi.com/index.php?wiki/04/06/2015/vidgamer/binaryoptionstradingsignals.com+scam.pdf&hktpv=1&news=659In 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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