Malicious PDF — malware analysis report

Static analysis result for SHA-256 088bed65983d8348…

MALICIOUS

PDF

6.7 KB Created: 2015-06-08 01:29:45 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: eaf715baccfa7df20e869e232db48e2d SHA-1: 0e86d3f78894cc53c0297c47fa2b29b415432570 SHA-256: 088bed65983d8348e6571134c18b4cf743f3366da7287525df3bf407c1f86bf4
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that point to SEO-spam pages, predominantly related to binary options and stock trading. The heuristic 'PDF_SEO_PHP_GATEWAY_LINK_FARM' confirms this behavior, indicating the document's purpose is to drive traffic to these malicious sites. The document body text also reinforces this theme by discussing stock market and trading topics.

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://pinamar.com.ar/index.php?receitasdept/2015/wiki/binary+options+macd.pdf&wqpfa=3&news=5565 In PDF document text
    • http://wkn.xn--bdkowski-neb.com/index.php?sunlover/2015/wiki/binary+options+tipster.pdf&zxpev=2&news=5257In PDF document text
    • http://pizzaioli.com/index.php?pcsite/2015/wiki/my+binary+code+review+scam.pdf&bwfyd=3&news=3740In PDF document text
    • http://www.stylingyoubeautiful.com/index.php?wishbox/2015/wiki/binary+options+software.pdf&uvdln=1&news=929In PDF document text
    • http://www.mastronardihogar.com.ar/index.php?gadgetine/2015/wiki/binary+option+illegal.pdf&runhe=1&news=178In PDF document text
    • http://wkn.xn--bdkowski-neb.com/index.php?sunlover/2015/wiki/binary+options+tipster.pdf&zxpev=2&news=967In PDF document text
    • http://www.sehgal.co.in/index.php?campusfocus/2015/wiki/binary+trading+best+site.pdf&yyjsx=2&news=sitemapIn PDF document text

Related samples 8

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

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