PDF static analysis report

Static analysis result for SHA-256 baac34d447fbfe25…

SUSPICIOUS

PDF

5.3 KB Created: 2015-06-02 16:44:44 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-07-16
MD5: 2be7c4721efc470c3a2bc629f51cbcf5 SHA-1: d5011f336659e1d63c7428d5cedbada27b1fb8f6 SHA-256: baac34d447fbfe25aa5c62a5ae7d22a9236e8774977caad4337b64dc99e6e9ca
40 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript and multiple external URIs pointing to websites that appear to be selling prescription drugs. The document body text also contains these URLs, reinforcing the lure. The embedded JavaScript and external URIs suggest an attempt to redirect the user to malicious or scam websites, likely for financial gain or credential harvesting.

Machine Learning

  • Nyx PDF Classifier clean score 0.0129

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/buy-plavix-online-no-prescription.pdf In PDF document text
    • http://www.motherlodebulldogclub.com/events/img/generic-viagra-online-canada/Referenced by PDF JavaScript
    • http://www.samfab.com/Scripts/js/pdf.php/cialis-professional-england.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/buy-nizoral.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/buy-viagra-europe.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/sildenafil-liquid.pdfIn PDF document text
    • http://www.samfab.com/Scripts/js/pdf.php/cheap-cialis-jelly.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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