Malicious PDF — malware analysis report

Static analysis result for SHA-256 b89040654cae4c06…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:30:15 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 7991f16e7c638e78b43b928c257a4fc2 SHA-1: 9b72e2034d548331d82b97de12a43c8e39bb73db SHA-256: b89040654cae4c06b864b4732149612fe9a3a7b37aac0bc353e352275d0e1932
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains numerous embedded URLs, all related to binary options trading. The ML classifier flagged the document as malicious, and the presence of these external links suggests a lure to a potentially malicious website. No scripts were extracted, limiting further analysis of the payload.

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.picknickrucksack.net/index.php?wiki/04/06/2015/bazuinkb/binary+options+website.pdf&dvduf=1&news=374 In PDF document text
    • http://www.eosum.com/index.php?wiki/04/06/2015/ebmagazine/binary+trading+education.pdf&klojd=1&news=1800In PDF document text
    • http://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=2393In PDF document text
    • http://miharu-k.info/index.php?wiki/04/06/2015/dancan/binary+trader+software.pdf&nfhct=1&news=1159In PDF document text
    • http://www.infinitywp.it/index.php?wiki/04/06/2015/turnout/binary+brokers+canada.pdf&cfaqc=1&news=22In PDF document text
    • http://darerteqa.com/index.php?wiki/04/06/2015/plineks/binary+brokers+sites.pdf&ougyk=1&news=1983In 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 3

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

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