Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c6075cab4804898…

MALICIOUS

PDF

13.8 KB Created: 2019-04-30 03:59:03 +01:00 Authoring application: mPDF 5.7
MD5: b1c7126e70528c036938869bad94a295 SHA-1: c9bfeb47b64c31fee6b5e0d313f862ad27b4dc03 SHA-256: 9c6075cab4804898404e6574ddb12fef176969ad31a1d58ba64c7c41b6e0bbf7
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly flagged this PDF as malicious. While the specific URLs are currently marked as benign, the overall structure and heuristic firings indicate a malicious intent to redirect users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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://loaminoo.linkpc.net/3092095095092/The-Last-Unicorn-The-Last-Unicorn-1-by-Peter-S-Beagle.pdf
    • http://loaminoo.linkpc.net/2094090091091094/The-Unicorn-Sonata-by-Peter-S-Beagle.pdf
    • http://loaminoo.linkpc.net/1091096099094097097/A-Fine-and-Private-Place-The-Last-Unicorn-by-Peter-S-Beagle.pdf
    • http://loaminoo.linkpc.net/1090095097092098090/Das-letzte-Einhorn-und-Zwei-Herzen-Last-Unicorn-1-1-5-by-Peter-S-Beagle.pdf
    • http://loaminoo.linkpc.net/2099099097094098/The-Lion-the-Dragon-and-Their-Unicorn-Omega-The-Unicorn-Omegas-2-by-Lorelei-M-Hart.pdf
    • http://loaminoo.linkpc.net/2094094092097090/Bad-Unicorn-Bad-Unicorn-1-by-Platte-F-Clark.pdf
    • http://loaminoo.linkpc.net/4096093092098099/Red-Unicorn-Unicorn-3-by-Tanith-Lee.pdf
    • http://loaminoo.linkpc.net/4091097091097095/The-Unicorn-Chronicles-The-Unicorn-Chronicles-1-2-by-Bruce-Coville.pdf
    • http://loaminoo.linkpc.net/8099095095097/Unicorn-Bait-Unicorn-Bait-1-by-S-A-Hunter.pdf
    • http://loaminoo.linkpc.net/2099098096090099/The-Fantasy-Worlds-of-Peter-Beagle-by-Peter-S-Beagle.pdf
    • http://loaminoo.linkpc.net/8093091098096/The-Unicorn-by-Iris-Murdoch.pdf
    • http://loaminoo.linkpc.net/3099091097091092/Black-Unicorn-by-Tanith-Lee.pdf
    • http://loaminoo.linkpc.net/3091091095093095/The-Unicorn-Cookbook-by-Alix-Carey.pdf
    • http://loaminoo.linkpc.net/1090090095092097096/Horn-of-the-Unicorn-by-Rhyannon-Byrd.pdf
    • http://loaminoo.linkpc.net/4093097098093098/Unicorn-Western-by-Sean-Platt.pdf
    • http://loaminoo.linkpc.net/4096092098099093/Unicorn-Triangle-by-Patricia-A-McKillip.pdf
    • http://loaminoo.linkpc.net/4097099092092090/The-Dragon-and-the-Unicorn-by-Lynne-Cherry.pdf
    • http://loaminoo.linkpc.net/1091096093090099/The-Seventh-Unicorn-by-Kelly-Jones.pdf
    • http://loaminoo.linkpc.net/4090095099096/The-Unicorn-Tree-by-Cynthia-Collins.pdf
    • http://loaminoo.linkpc.net/4091095096099/The-Secret-of-the-Unicorn-Tintin-11-by-Herg-.pdf
    • http://loaminoo.linkpc.net/3099091097091092/Black-Unicorn-by-Tanith-Lee

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