Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcbd218b33810fc2…

MALICIOUS

PDF

6.5 KB Created: 2015-06-04 18:29:09 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 9bfb8a42e75229a29a4bf14ff1a39c65 SHA-1: 5cd121532e4e37c4bf9e5df2fa967ae5e33306c6 SHA-256: dcbd218b33810fc2f7e4d10ed4b15a0a3206db10459b65469b60cb6b4c47ee25
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: 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, and the document body text reinforces the theme of financial trading, likely as a pretext to encourage users to click the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5488

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://supplementalsounds.com/index.php?wiki/04/06/2015/genesis/binary+options+hedging.pdf&acwco=2&news=729 In PDF document text
    • http://controlsoft.com.br/index.php?wiki/04/06/2015/mandulaliget/binary+options+on+optionsxpress.pdf&txlqs=1&news=2753In PDF document text
    • http://rafcar24.pl/index.php?wiki/04/06/2015/letizia/binary+option+usa.pdf&fnewq=1&news=322In PDF document text
    • http://www.vgshop.co.il/index.php?wiki/04/06/2015/cleanheader/japanese+binary+options.pdf&pwnda=4&news=1419In PDF document text
    • http://caskaeliteaudio.com.br/index.php?wiki/04/06/2015/pandrade/binary+options+formula.pdf&qdvaj=1&news=71In PDF document text
    • http://www.vanwillegenconsult.nl/index.php?wiki/04/06/2015/themefuse/binary+options+easy.pdf&oxhqf=1&news=1382In 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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