Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a4f8d74dbdcd53e…

MALICIOUS

PDF

36.9 KB Created: 2020-04-15 02:26:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 91a1f109e9ade2d4b2ebef5257786c66 SHA-1: b738fecbee59cb81557aec4af5bf52e999baf71b SHA-256: 9a4f8d74dbdcd53e4fccd269c645af4d1360a02e927b935f2e5d77dc6a44c192
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 T1598 - Gather Victim Identity Information T1598.003 T1598.003 - T1598.003

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The embedded URLs are likely used to distribute further malicious content or to redirect users to phishing sites. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf.

Heuristics 3

  • 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.
  • 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://gabbard-cornell.com/uploads/1/3/1/4/131408204/131408204.html#que+es+estudio+descriptivo+pdf
    • http://saffrondemenezes.com/uploads/1/3/0/2/130274199/mexetiw.pdf
    • http://musicresources.church/uploads/1/3/0/7/130774966/360591.pdf
    • http://cedarparkconcrete.org/uploads/1/3/0/9/130968981/gigadawanen.pdf
    • http://clearpathremodeling.com/uploads/1/3/0/6/130620970/455138a19.pdf
    • http://writerswithroomtobloom.com/uploads/1/3/0/2/130273804/5fb1d6aa8f06e.pdf
    • http://newlifebirthstories.com/uploads/1/3/0/2/130287886/sazedug_mupafulikad.pdf
    • http://congrerondaviajes.com/uploads/1/3/1/4/131453498/962130.pdf
    • http://sussexgardenservices.com/uploads/1/3/0/5/130551226/resodijedaruxun.pdf
    • http://novinails.com/uploads/1/3/0/7/130739463/nogitasi-gokebegame.pdf
    • http://uneqsaromatherapy.com/uploads/1/3/0/6/130639700/1851143.pdf
    • http://sussexgardenservices.com/uploads/1/3

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