Malicious PDF — malware analysis report

Static analysis result for SHA-256 db9908e30304d65e…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:32:43 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 0aa452f1fc5579372993bfd0130767b1 SHA-1: 5a620cf7b943705637163998dba77cafbdd3a0f7 SHA-256: db9908e30304d65e75f14814267cf46f387573dd30be67e750a183d457134007
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains numerous embedded URLs related to binary options trading. The ML classifier flagged this PDF as malicious, and the presence of external URIs suggests a redirection to potentially malicious websites. The document body, though truncated, also contains these URLs, reinforcing the lure. No scripts were extracted from this sample.

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://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=783 In PDF document text
    • http://shreerealty.co.in/index.php?wiki/04/06/2015/juvelir/is+binary+options+worth+it.pdf&wzadu=1&news=1624In PDF document text
    • http://www.blueridgeentertainment.net/index.php?wiki/04/06/2015/tadakalurinews/binary+option+white+label.pdf&paqbz=1&news=54In PDF document text
    • http://teamworkworks.org/index.php?wiki/04/06/2015/armstrongfeed/binary+options+trading+nz.pdf&pansy=1&news=2069In PDF document text
    • http://emergustechnologies.com/index.php?wiki/04/06/2015/magazeen/binary+code+system+reviews.pdf&niplb=1&news=898In PDF document text
    • http://antarvasna-antarvasna.com/index.php?wiki/04/06/2015/gridnik/binary+options+trading+usa.pdf&dtaqk=1&news=1914In 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 5

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

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