PDF malware analysis — malicious · b97fe630824868cd

MALICIOUS

PDF

4.4 KB Created: 2015-06-03 17:01:05 +03:00 Authoring application: DOMPDF

MD5: a331b3ed194f95992d11c39be6a822dd SHA-1: 591dd5b0c115f4040b23206854965c722a4c6999 SHA-256: b97fe630824868cd95094603eeff28021c1605769179533d6b527737dc1ba83a

90 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded URLs disguised as content related to stock trading. The PDF_SEO_LINK_FARM heuristic indicates a link farm designed to manipulate search engine results. The ML classifier also flagged the document as malicious. The primary attack pattern involves directing users to external, potentially malicious websites through these links.

Machine Learning

Nyx PDF Classifier malicious score 0.5447

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://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=1497
- http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=2278
- http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=43
- http://www.chateauderaousset.com/index.php?2015/assets.pdf&iukpl=1&aspx=1358
- http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=458
- http://veranomusical.es/index.php?2015/booboodigital.pdf&ieycq=1&aspx=sitemap

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