Malicious PDF — malware analysis report

Static analysis result for SHA-256 470644763e582d86…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:30:54 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: 6547f66f85f21bce125c83026d3d5e9f SHA-1: 21073b78f95f4c7b4be70962c5082d7b95bc1fae SHA-256: 470644763e582d860ff90379f1d99bd22f19d46275578f18d6af3e9af2df2bd5
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains multiple embedded URLs, all related to binary options trading, suggesting a lure for financial scams or phishing. The ML classifier also flagged the document 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 document content.

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://shreerealty.co.in/index.php?wiki/04/06/2015/juvelir/is+binary+options+worth+it.pdf&wzadu=1&news=2652 In PDF document text
    • http://canyoncoal.com/index.php?wiki/04/06/2015/serendibleisure/binary+option+application.pdf&tteow=1&news=1366In PDF document text
    • http://4smokers.dk/index.php?wiki/04/06/2015/funnypictures/binaryoptionsdaily.com+forum.pdf&fdzwn=1&news=286In PDF document text
    • http://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=2150In PDF document text
    • http://adafilmleri.com/index.php?wiki/04/06/2015/hamile/binary+option+blog.pdf&wfega=1&news=898In PDF document text
    • http://kwant.pl/index.php?wiki/04/06/2015/portland/binary+options+500.pdf&hlvtt=1&news=1135In 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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