PDF static analysis report

Static analysis result for SHA-256 7cc869b8ff6aebad…

SUSPICIOUS

PDF

4.9 KB Created: 2015-06-03 21:42:04 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-08-19
MD5: 60f3ce5ce4d945d85a66e2d3604304fb SHA-1: f71e5e811e8f9e44251e5b96c9d88174d1fd6ca3 SHA-256: 7cc869b8ff6aebadecee4ada61881a8e250ed2c249534a5ef5dc5608dae336a6
40 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript and multiple external URIs pointing to domains that appear to be hosting pharmaceutical-related content. The document body further reinforces this by containing text related to sildenafil, viagra, and prednisone, interspersed with what seems like phishing or scam-related prompts. The embedded JavaScript likely facilitates the redirection or further malicious actions upon user interaction with the links.

Machine Learning

  • Nyx PDF Classifier clean score 0.0117

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/sildenafil-over-counter.pdf In PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/viagra-canadian-online.pdfIn PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/generic-cialis-forum.pdfIn PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/sildenafil-over-the-counter.pdfIn PDF document text
    • http://www.revidere.com/grafika/img/sildenafil-cheapest-price/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

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