PDF static analysis report

Static analysis result for SHA-256 d94385cdc1aceb35…

SUSPICIOUS

PDF

6.9 KB Created: 2015-06-02 17:58:48 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-07-16
MD5: f4f716128beda832824ba68eb2ead5a2 SHA-1: 8b07f779816df20439e5187c230be84628f9876d SHA-256: d94385cdc1aceb357b9ce63713f628f05739ef8e123253dd67c750c995d1dd42
40 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript and multiple external URLs, indicating a likely attempt to redirect the user to malicious sites. The document body text, though truncated, contains references to medications and pharmacies, suggesting a potential phishing or scam lure. The embedded JavaScript stream is a common technique for obfuscating malicious actions within PDF documents.

Machine Learning

  • Nyx PDF Classifier clean score 0.0106

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/switching-from-levothyroxine-to-synthroid.pdf In PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/viagra-take-effect.pdfIn PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/prednisone-and-breast-feeding.pdfIn PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/prednisone-and-levothyroxine-interaction.pdfIn PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/lasix-40-mg-iv.pdfIn PDF document text
    • http://primetimeinternational.co.uk/wp-includes/js/jcrop/pdf.php/fast-delivery-viagra.pdfIn PDF document text
    • http://lincolnshireplumbreadcompany.co.uk/kamagra-jelly-100mg/In PDF document text
    • http://imagemanager.ca/wzoyunas-does-clomid-regulate-periods/In PDF document text
    • http://html2fpdf.sf.net)/CreationDateIn PDF document text
    • http://html2fpdf.sf.netIn PDF document text
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