Malicious PDF — malware analysis report

Static analysis result for SHA-256 03cdf2e33da1084d…

MALICIOUS

PDF

5.6 KB Created: 2015-06-04 18:30:56 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 0fa21041893408a4d7e37a2857499b80 SHA-1: 5cb539b5173d5cfc0867fcfb1f226d6489034b47 SHA-256: 03cdf2e33da1084da5cabb4464dc72ba665c101caaae62689d9180be75ce4b35
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and text related to binary options trading, indicating a lure for financial scams or phishing. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly suggests the intent is to trick users into believing there are changes to payment or bank details. While no scripts were extracted, the embedded URLs themselves serve as the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier clean score 0.1931

Heuristics 3

  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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://miharu-k.info/index.php?wiki/04/06/2015/dancan/binary+trader+software.pdf&nfhct=1&news=1385 In PDF document text
    • http://4smokers.dk/index.php?wiki/04/06/2015/funnypictures/binaryoptionsdaily.com+forum.pdf&fdzwn=1&news=2474In PDF document text
    • http://laminatecountertopshouston.com/index.php?wiki/04/06/2015/bisnis/u7+binary+options.pdf&yqofh=1&news=325In PDF document text
    • http://server-minecraft.pl/index.php?wiki/04/06/2015/funlandia/binary+trading+etrade.pdf&glonz=1&news=2684In PDF document text
    • http://www2.macsa.cat/index.php?wiki/04/06/2015/zettino/binary+trades+ig+index.pdf&trbfw=1&news=420In PDF document text
    • http://networkmedia.tv/index.php?wiki/04/06/2015/expedia/1+minute+binary+options+system.pdf&sxgko=2&news=1288In 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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