Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd3ee0d3b25d3058…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:32:27 +04:00 Authoring application: DOMPDF First seen: 2015-06-30
MD5: 824ba0f94683ab97009f0a6f497ac11e SHA-1: 7525cc42daefc8bcfba60435e62323905e4b9ee0 SHA-256: cd3ee0d3b25d305842befe6adfc4c3415f623bda80e86db3234ea563c4471bb2
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs that all point to domains related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body text, though truncated, also contains references to binary options and includes several of the same URLs. The primary attack pattern appears to be a lure to a scam or phishing website.

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://itpromo.be/index.php?wiki/04/06/2015/resurrect/binary+options+is+it+real.pdf&gjcph=1&news=2525 In PDF document text
    • http://nuhyatsanayi.com/index.php?wiki/04/06/2015/vidgamer/binaryoptionstradingsignals.com+scam.pdf&hktpv=1&news=2005In PDF document text
    • http://4smokers.dk/index.php?wiki/04/06/2015/funnypictures/binaryoptionsdaily.com+forum.pdf&fdzwn=1&news=2246In PDF document text
    • http://www.growlercreative.com/index.php?wiki/04/06/2015/ukmplus/binary+option+zip.pdf&fptxh=1&news=279In PDF document text
    • http://www.masqueplacer.es/index.php?wiki/04/06/2015/bepgasdanang/binary+option+broker+in+uk.pdf&yhlgy=1&news=381In PDF document text
    • http://breezeinn.com.au/index.php?wiki/04/06/2015/guesthouse/markets+world+binary+review.pdf&ftzpd=1&news=1332In 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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