Malicious PDF — malware analysis report

Static analysis result for SHA-256 32ed91d8c0e4e3c8…

MALICIOUS

PDF

15.2 KB Created: 2020-03-21 11:11:03 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7af0427512b3a61206e4e8b069854169 SHA-1: 07b3530e7806cee569cd7e35df54a2f9485180fd SHA-256: 32ed91d8c0e4e3c8138fd044d5297c1812b8a18023da9d1d35c98f968d8301f4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF is an image-only lure, typical of phishing, designed to trick users into clicking an embedded link. This link leads to a collection of other PDFs, suggesting an SEO poisoning or link farm strategy to drive traffic to malicious sites. No scripts were extracted, limiting the analysis of direct payload delivery.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 15 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://jadoremonchien.ca/uploads/1/3/0/6/130620494/130620494.html#desarrollo+urbano+y+rural+desarrollo+sustentable+pdf
    • http://credit-karma.co/uploads/1/3/0/5/130545254/nomopojulewen_vevowazopogun.pdf
    • http://adultaugmentedreality.com/uploads/1/3/0/4/130477584/2278657.pdf
    • http://semfinproduction.com/uploads/1/3/0/6/130620972/cf59c1da.pdf
    • http://tavr.barnabasheart.org/uploads/1/3/0/6/130621896/9145116.pdf
    • http://thefairytaleproject.org/uploads/1/3/0/6/130639592/povewapodofar.pdf

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