Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7b274c7e52a50a2…

MALICIOUS

PDF

6.5 KB Created: 2015-06-04 18:32:07 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: d6b16fb10ffe23aa82cb9115d7832a57 SHA-1: b820b70dbb620f80ade9c730293edc208b1d5629 SHA-256: e7b274c7e52a50a254c6c9436913033050baad2fb72d86e929efe7f792638e8c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains multiple embedded URLs that are all related to binary options trading. The ML classifier also flagged the document as malicious. The document body text reinforces this by discussing investment options and trading strategies, likely as a lure to encourage users to click the malicious links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5475

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://www.supplementalsounds.com/index.php?wiki/04/06/2015/bestunion/binary+trading+demo+free.pdf&elbtt=1&news=287 In PDF document text
    • http://orunmarine.com/index.php?wiki/04/06/2015/mundoindica/$10+binary+options.pdf&wxnjt=1&news=2004In PDF document text
    • http://timfelsky.com/index.php?wiki/04/06/2015/crispwoo/binary+option+model.pdf&fxdgz=1&news=599In PDF document text
    • http://www.yakiscupcakes.com/index.php?wiki/04/06/2015/goldenwestcafe/binary+option+org.pdf&woeax=1&news=1804In PDF document text
    • http://www.elvensenatacao.com/index.php?wiki/04/06/2015/enormoz/binary+option+system+96.pdf&uxipl=1&news=946In PDF document text
    • http://silchef.com/index.php?wiki/04/06/2015/techgadgetsin/binary+option+8+bullet.pdf&qbvag=1&news=1521In PDF document text
    • http://www.supermaraton.eu/index.php?wiki/04/06/2015/housepop/binaryoptionstradingguide.com.pdf&owutp=1&news=sitemapIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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