Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e35315e03b8b7cb…

MALICIOUS

PDF

5.1 KB Created: 2015-06-03 17:02:23 +03:00 Authoring application: DOMPDF
MD5: b325c404cd23ddee44c12e70b08644e9 SHA-1: cdf9f6ff19e5ae8b15f6a3e985d4909372298ec0 SHA-256: 1e35315e03b8b7cbfb6f32d3316023bf023058318c7dc9d5fd3e37f56a15da9a
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, while truncated, also contains these links and appears to be generated content related to trading strategies, likely to mask the malicious intent. The primary goal seems to be SEO manipulation or redirecting users to potentially malicious websites through the extensive link farm.

Machine Learning

  • Nyx PDF Classifier clean score 0.1330

Heuristics 2

  • 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.
  • 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://kash.info/index.php?2015/zmagic.pdf&eqhgc=1&aspx=1385
    • http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=1959
    • http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1836
    • http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=312
    • http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=504
    • http://veranomusical.es/index.php?2015/booboodigital.pdf&ieycq=1&aspx=sitemap