Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bf07735b8e53c72…

MALICIOUS

PDF

19.5 KB Created: 2019-05-02 16:45:12 +01:00 Authoring application: mPDF 5.7
MD5: ec516842db8b9b0f67acac9437cc93cf SHA-1: 875d11782f8256927b1191aa97de18954c1082da SHA-256: 6bf07735b8e53c72899ae1c8529f74958e980572274e30eb7c1718610a4458b9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files hosted on a dynamic DNS domain. This behavior is indicative of SEO poisoning or a link farm designed to distribute malicious content. While no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to potentially harmful resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://cmeinasaoo.duckdns.org/4b21b28b29b24b29/The-Only-Easy-Day-Sanctuary-2-by-R-J-Scott.pdf
    • http://cmeinasaoo.duckdns.org/4b21b28b29b24b20/Face-Value-Sanctuary-3-by-R-J-Scott.pdf
    • http://cmeinasaoo.duckdns.org/1b20b25b22b29b28b23/Full-Circle-Sanctuary-5-by-R-J-Scott.pdf
    • http://cmeinasaoo.duckdns.org/1b21b27b20b23b22b29/Two-Cheers-for-Anarchism-Six-Easy-Pieces-on-Autonomy-Dignity-and-Meaningful-Work-and-Play-by-James-C-Scott.pdf
    • http://cmeinasaoo.duckdns.org/3b26b27b27b20b25/Sanctuary-Sanctuary-1-by-Cassidy-Hunter.pdf
    • http://cmeinasaoo.duckdns.org/1b21b25b24b27b27b25/Tarot-for-Beginners-An-Easy-Guide-to-Understanding-amp-Interpreting-the-Tarot-by-P-Scott-Hollander.pdf
    • http://cmeinasaoo.duckdns.org/1b20b27b28b26b26/The-Last-Sanctuary-The-Last-Sanctuary-1-by-P-S-Mokha.pdf
    • http://cmeinasaoo.duckdns.org/8b21b22b25b21b20/Easy-Gluten-Free-80-Plus-Quick-and-Easy-Recipe-by-Vesco-Inc.pdf
    • http://cmeinasaoo.duckdns.org/2b27b28b23b28b25/Sweet-Sanctuary-Sweet-Sanctuary-1-by-Kim-Vogel-Sawyer.pdf
    • http://cmeinasaoo.duckdns.org/2b28b29b21b25b24/Six-Easy-Pieces-Easy-Rawlins-8-by-Walter-Mosley.pdf
    • http://cmeinasaoo.duckdns.org/3b25b26b21b22b26/Taking-It-Easy-Boys-of-the-Big-Easy-2-by-Erin-Nicholas.pdf
    • http://cmeinasaoo.duckdns.org/9b20b28b24b24b29/The-Everything-Giant-Book-of-Easy-Crosswords-Over-300-easy-and-enjoyable-crosswords-for-your-entertainment-by-Charles-Timmerman.pdf
    • http://cmeinasaoo.duckdns.org/5b29b25b27b27b29/Six-Easy-Pieces-Six-Not-So-Easy-Pieces-by-Richard-Feynman.pdf
    • http://cmeinasaoo.duckdns.org/9b28b25b24b22b25/Ivanhoe-by-Sir-Walter-Scott-Illustrated-Delphi-Parts-Edition-Sir-Walter-Scott-by-Walter-Scott.pdf
    • http://cmeinasaoo.duckdns.org/1b28b23b21b29b25/Eat-to-live-Tip-guide-on-selecting-healthy-food-Clean-eating-clean-eating-diet-clean-eating-cookbook-clean-eating-recipes-clean-eating-easy-clean-D-healthy-food-for-everyday-Book-1-by-Anna-Scott.pdf
    • http://cmeinasaoo.duckdns.org/1b20b25b22b28b22b26/Sanctuary-by-John-Vornholt.pdf
    • http://cmeinasaoo.duckdns.org/1b21b28b20b24b20/The-Sanctuary-by-Raymond-Khoury.pdf
    • http://cmeinasaoo.duckdns.org/4b28b29b27b25b22/The-Cat-Sanctuary-by-Patrick-Gale.pdf
    • http://cmeinasaoo.duckdns.org/2b29b26b26b28b21/Sanctuary-1-800-Where-R-You-4-by-Jenny-Carroll.pdf
    • http://cmeinasaoo.duckdns.org/7b24b28b22b26b24/Sanctuary-by-Edith-Wharton.pdf

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