Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea044d7217d3444b…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:31:39 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: 7d37fa45b5402ac24321d28b8108d020 SHA-1: 55e943640ae649e8b2deb2563550a21e5a5ceb8c SHA-256: ea044d7217d3444b5492e60b053e6f34f5b21f3fa58cc98d198b77be93538120
62 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs that all point to domains related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body, though truncated, also contains text related to options trading and repeats some of the URLs. The primary attack pattern appears to be a lure to a potentially malicious website offering financial schemes.

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.tubeconect.de/index.php?wiki/04/06/2015/wellness/binary+options+millionaires.pdf&fruxa=1&news=2196 In PDF document text
    • http://www.picknickrucksack.net/index.php?wiki/04/06/2015/bazuinkb/binary+options+website.pdf&dvduf=1&news=1315In PDF document text
    • http://www.phone360.cl/index.php?wiki/04/06/2015/maverick/binary+options+profitable.pdf&rxpnl=1&news=1719In PDF document text
    • http://oilflux.com/index.php?wiki/04/06/2015/digidroid/binaryoptions.net.au.pdf&kclnt=8&news=2535In PDF document text
    • http://highlandsmommies.org/index.php?wiki/04/06/2015/degusto/binary+option+system+j25.pdf&qejwh=3&news=1886In PDF document text
    • http://landstar.kz/index.php?wiki/04/06/2015/metrolic/binary+options+fraud.pdf&inxpd=1&news=644In PDF document text
    • http://www.supermaraton.eu/index.php?wiki/04/06/2015/housepop/binaryoptionstradingguide.com.pdf&owutp=1&news=sitemapIn PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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