Malicious PDF — malware analysis report

Static analysis result for SHA-256 90cc7904ad421f8e…

MALICIOUS

PDF

6.9 KB Created: 2015-06-04 18:29:23 +04:00 Authoring application: DOMPDF First seen: 2015-06-30
MD5: 177c5233a7fd8ffd1fd1040757fba677 SHA-1: 05ceb1725c8fcaa6348300d94f93f9e0905f4cf4 SHA-256: 90cc7904ad421f8e0fe4c38f873000a4d2e760cc2cafd256c50f0ac72ecb03bc
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains numerous embedded URLs, all related to binary options trading. The ML classifier also flagged this PDF as malicious. The document body, though partially corrupted, contains text and URLs that reinforce the theme of financial trading, suggesting a lure for a scam or phishing operation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6631

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://mottoagency.sg/index.php?wiki/04/06/2015/qreator/binary+option+strategies+qi.pdf&awxxu=1&news=1496 In PDF document text
    • http://www.skillmadeiras.com.br/index.php?wiki/04/06/2015/crytix/u.s.+binary+options.pdf&pbqku=1&news=1420In PDF document text
    • http://toplisty.sk/index.php?wiki/04/06/2015/pissmo/5+min+binary+options+trading+strategy.pdf&ypdts=1&news=181In PDF document text
    • http://smart-retail.es/index.php?wiki/04/06/2015/golfasia/24+binary+options.pdf&fnkkl=1&news=796In PDF document text
    • http://kwant.pl/index.php?wiki/04/06/2015/portland/binary+options+500.pdf&hlvtt=1&news=2710In PDF document text
    • http://rafcar24.pl/index.php?wiki/04/06/2015/letizia/binary+option+usa.pdf&fnewq=1&news=130In 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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