PDF malware analysis — malicious · 9c944c3a90ff074a

MALICIOUS

PDF

4.7 KB Created: 2015-06-03 16:38:46 +03:00 Authoring application: DOMPDF

MD5: 017fc2fc78be7ccdc572d00a207315de SHA-1: f7745d569c759e285dd09c306d07ecd843b9c409 SHA-256: 9c944c3a90ff074aee10cfd3324917a30384e98da7adc44a2f4aa473c10b6239

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a PDF SEO link farm, indicating a large number of external links embedded within the document. The document body and extracted URLs confirm this, listing multiple URLs pointing to PDF files on various domains. This suggests the primary goal is to manipulate search engine rankings or to distribute malicious content through these links. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier clean score 0.1457

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=481
- http://www.nibl.co.nz/index.php?2015/decision.pdf&angzv=1&aspx=2329
- http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1196
- http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=2410
- http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=845
- http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=sitemap

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