PDF malware analysis — malicious · fccacd5111b49a43

MALICIOUS

PDF

4.4 KB Created: 2015-06-03 16:37:53 +03:00 Authoring application: DOMPDF

MD5: c761d89a1739224d64fa28a9fc552f4a SHA-1: 18d21d2852a024a0ee5f9ba9dd4a12d06ae961a7 SHA-256: fccacd5111b49a43b9569ab7c5dfa504361d3b2d0c1795dd42009c7ea28d9a07

90 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs designed to mimic SEO-friendly links, a technique often used to disguise malicious redirects. The heuristic PDF_SEO_LINK_FARM specifically identifies this pattern. The document body, while truncated, also contains these URLs, reinforcing the lure. No scripts were extracted, but the primary attack vector appears to be the manipulation of link farms for redirection.

Machine Learning

Nyx PDF Classifier malicious score 0.5320

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://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=728
- http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=2178
- http://www.nibl.co.nz/index.php?2015/decision.pdf&angzv=1&aspx=1289
- http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1067
- http://www.prequine.com/index.php?2015/torcida.pdf&fcldj=1&aspx=688
- http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=sitemap

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