PDF static analysis report

Static analysis result for SHA-256 79c0b7ea7ec65e80…

SUSPICIOUS

PDF

5.9 KB Created: 2015-06-05 12:47:46 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-07-16
MD5: f6d08651277821f508fe1f85a1aee590 SHA-1: c39c2cdd98519e0f132e4de7120078497af598e0 SHA-256: 79c0b7ea7ec65e8004a5451c648207f0c0600c9b1a31f789f6448b5cd1f042bf
40 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript and multiple external URIs pointing to domains associated with pharmaceutical sales. The document body also contains text related to medication, reinforcing the lure. The embedded JavaScript, though not fully detailed, is a common technique for exploiting PDF vulnerabilities or redirecting users. The primary attack pattern involves social engineering through deceptive links within the document.

Machine Learning

  • Nyx PDF Classifier clean score 0.0093

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://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/online-viagra-forum.pdf In PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/generic-cialis-does-it-work.pdfIn PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/cialis-canadian-pharmacy.pdfIn PDF document text
    • http://scuoladiteatroteodelapio.org/order-kamagra-jelly-online/In PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/dapoxetine-when-to-take.pdfIn PDF document text
    • http://www.leaderprinting.net/images/img/pdf.php/viagra-for-women-pink-pill.pdfIn PDF document text
    • http://html2fpdf.sf.net)/CreationDateIn PDF document text
    • http://html2fpdf.sf.netIn PDF document text
🗂 Part of campaign: sf.net 56 samples

Related samples 8

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