PDF static analysis report

Static analysis result for SHA-256 34c677639d03b524…

SUSPICIOUS

PDF

5.8 KB Created: 2015-06-02 16:39:14 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-07-16
MD5: 6fea980a7cdd5c5f5e1b7a513de0a67f SHA-1: 816b355063bf8debc36db9b80486e5d9b587b05b SHA-256: 34c677639d03b5242f441ce15ffc0188d31084e063a3157566a087ef8ec28d66
40 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains embedded JavaScript and multiple external URIs pointing to pharmaceutical-related content, suggesting a phishing or scam lure. The embedded JavaScript is likely used to redirect the user to these malicious URLs. The document body contains text related to Viagra and erectile dysfunction, reinforcing the scam theme.

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://www.samfab.com/Scripts/js/pdf.php/sildenafil-for-sale.pdf In PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/can-prednisone-cause-confusion.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/buy-viagra-in-tenerife.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/cialis-online-order.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/is-dapoxetine-available-in-uk.pdfIn PDF document text
    • http://www.architectural3dmodelling.com/wp-includes/js/img/pct-nolvadex-and-clomid-dosage/In 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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