Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd8ba8dc2e10b886…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:31:34 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: 0a954fb58acf2921372a610cfed04d62 SHA-1: 69045b70f0ef6a01987421382b1bb428dcf4e698 SHA-256: fd8ba8dc2e10b886d53eb514a5e85b77eda5eeaf13045bf279d3a34321f1d761
62 Risk Score

Malware Insights

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

The PDF document contains numerous links 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 direct execution capabilities. 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://fundaciointermedia.org/index.php?wiki/04/06/2015/inspirebits/binary+option+40+contract.pdf&lgxqx=2&news=222 In PDF document text
    • http://www.infinitywp.it/index.php?wiki/04/06/2015/turnout/binary+brokers+canada.pdf&cfaqc=1&news=559In PDF document text
    • http://adafilmleri.com/index.php?wiki/04/06/2015/hamile/binary+option+blog.pdf&wfega=1&news=2230In PDF document text
    • http://www.lowestmedicareplans.com/index.php?wiki/04/06/2015/marriage/binary+code+options.pdf&hjnjz=1&news=1818In PDF document text
    • http://wpc42.org/index.php?wiki/04/06/2015/bluemist/binary+options+regulated+in+uk.pdf&xcobo=1&news=2264In PDF document text
    • http://4smokers.dk/index.php?wiki/04/06/2015/funnypictures/binaryoptionsdaily.com+forum.pdf&fdzwn=1&news=950In 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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