Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc08734cc215adb5…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:30:29 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: c5b0c250de5ef69b211989557f6c9ebd SHA-1: 58f20a37d2a32a92ad32a19ba75656cb9f911b1a SHA-256: dc08734cc215adb5d504b71ad7bb2ba6b7edc31c69af8baebd7564695a04045e
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, suggesting a lure for financial scams or phishing. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior. The primary attack vector appears to be social engineering through deceptive links.

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://brevardfamilywalkinclinic.com/index.php?wiki/04/06/2015/modern/binary+option+help.pdf&rduis=4&news=2340 In PDF document text
    • http://www.infinitywp.it/index.php?wiki/04/06/2015/turnout/binary+brokers+canada.pdf&cfaqc=1&news=660In PDF document text
    • http://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=2817In PDF document text
    • http://laminatecountertopshouston.com/index.php?wiki/04/06/2015/bisnis/u7+binary+options.pdf&yqofh=1&news=1510In PDF document text
    • http://www.maler-moelich.de/index.php?wiki/04/06/2015/onecommunity/binary+options+trading+signals+youtube.pdf&fduga=1&news=657In PDF document text
    • http://www.blueridgeentertainment.net/index.php?wiki/04/06/2015/tadakalurinews/binary+option+white+label.pdf&paqbz=1&news=2318In 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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