PDF static analysis report

Static analysis result for SHA-256 151fba1548958e4e…

SUSPICIOUS

PDF

6.3 KB Created: 2015-06-03 08:39:38 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-08-19
MD5: 2681f91bde5191b35b054e7f11c2b220 SHA-1: eee423ebe7fb58cd22aa712f16a935bb57a53f98 SHA-256: 151fba1548958e4e47b24b223b54ddd8dab6621ba68d15795df2708e8b2ba4e6
40 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript that is flagged for credential exfiltration. It also contains numerous embedded URLs pointing to websites that appear to be part of a link farm for pharmaceutical spam, suggesting a phishing or scam attempt. The primary purpose seems to be directing users to these external sites, likely for malicious purposes such as credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0096

Heuristics 3

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.powereagleusa.com/wp-includes/js/jcrop/pdf.php/viagra-for-men-in-hyderabad.pdf In PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/buy-cialis-on-line.pdfIn PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/online-pharmacy-kamagra.pdfIn PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/female-viagra-pills-uk.pdfIn PDF document text
    • http://www.leonardoycarinatangorojo.com/icon/mime/prednisone-side-effects-hair-loss.pdfIn PDF document text
    • http://www.kanebuilders.com/images3/stories/e.php/cialis-side-effects-in-men/In PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/viagra-shipped-to-canada-online.pdfIn PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/best-prices-for-viagra.pdfIn PDF document text
    • http://html2fpdf.sf.net)/CreationDateIn PDF document text
    • http://html2fpdf.sf.netIn PDF document text
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Related samples 8

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