PDF static analysis report

Static analysis result for SHA-256 6657d7b3ef7cc136…

SUSPICIOUS

PDF

4.8 KB Created: 2015-06-03 12:05:57 Authoring application: HTML2FPDF >> http://html2fpdf.sf.net (via FPDF 1.52) First seen: 2015-08-19
MD5: 0434aae521462e3e32906399e3b116a6 SHA-1: b4c9f75d4812dff10635e89fd7d840d0fa637a6b SHA-256: 6657d7b3ef7cc1364bbeb0680c0e86be6a70fd48d872e61b6fa2ae9583a52597
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 suspicious domains. The document body, while containing medical-related text, also includes these URLs, suggesting a lure to external malicious content. The embedded JavaScript and external URIs indicate an attempt to redirect the user to potentially harmful websites, likely for phishing or malware delivery.

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/does-prednisone-cause-nose-bleeds.pdf In PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/cialis-dosages-available.pdfIn PDF document text
    • http://www.qatarinteriordesign.com/sildenafil-generic-india/In PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/viagra-online-reliable.pdfIn PDF document text
    • http://www.powereagleusa.com/wp-includes/js/jcrop/pdf.php/clomid-e-ritardo-mestruale.pdfIn PDF document text
    • http://html2fpdf.sf.net)/CreationDateIn PDF document text
    • http://html2fpdf.sf.netIn PDF document text
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