Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5b50b3674ffbce5…

MALICIOUS

PDF

32.2 KB Created: 2019-05-07 04:52:14 +01:00 Authoring application: mPDF 5.7
MD5: 2b6bfed374d9115ba96f244d5451a76f SHA-1: 89b6a311ce3e7dd0ca6b233de298500976bb5671 SHA-256: a5b50b3674ffbce50b1a3f7601f7dff441c2e9e189f54c34f40f8242a8381b92
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this document as malicious. While the document body is heavily obfuscated, the presence of numerous links to a single domain suggests a coordinated effort to redirect users. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9684

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://muicuiu.dumb1.com/8a05a08a08a05a09/Torture-and-the-Law-of-Proof-Europe-and-England-in-the-Ancien-R-gime-by-John-H-Langbein.pdf
    • http://muicuiu.dumb1.com/8a04a05a05a06a05/Yearbook-of-the-European-Convention-for-the-Prevention-of-Torture-and-Inhuman-or-Degrading-Treatment-or-Punishment-Annuaire-de-la-Convention-Europ-enne-Pour-La-Pr-vention-de-la-Torture-Et-Des-Peines-Ou-Traitements-Inhumains-Ou-D-gradants-Volume-20-2011-by-Council-of-Europe-Conseil-de-L-39-Europe.pdf
    • http://muicuiu.dumb1.com/8a04a05a05a06a03/Yearbook-of-the-European-Convention-for-the-Prevention-of-Torture-and-Inhuman-or-Degrading-Treatment-or-Punishment-Annuaire-de-la-Convention-Europeenne-Pour-La-Prevention-de-la-Torture-Et-Des-Peines-Ou-Traitements-Inhumain-Ou-Degradants-Volume-19-2010-by-Council-of-Europe-Conseil-de-L-39-Europe.pdf
    • http://muicuiu.dumb1.com/5a09a05a09a03a00/Europe-of-the-Ancien-R-gime-1715---1783-by-David-Ogg.pdf
    • http://muicuiu.dumb1.com/4a04a00a02a07a02/Tickle-Torture-Two-Tales-of-Tickling-Fetish-Tickle-Torture-Tickled-Until-She-Wets-Herself-and-Tickled-Into-Submission-by-Sabrina-Jen-Mountford.pdf
    • http://muicuiu.dumb1.com/6a04a03a03a03/Living-Proof-Telling-Your-Story-to-Make-a-Difference-by-John-Capecci.pdf
    • http://muicuiu.dumb1.com/1a01a06a08a03a04a01/Areopagitica-A-speech-of-Mr-John-Milton-for-the-Liberty-of-Unlicenc-d-Printing-to-the-Parlament-of-England-Annotated-by-John-Milton.pdf
    • http://muicuiu.dumb1.com/9a05a05a09a07a05/Fantastische-Realit-ten-3-G-tter-Gr-ber-Astronauten-by-Walter-J-rg-Langbein.pdf
    • http://muicuiu.dumb1.com/7a08a00a06a03a02/Volume-III-2016-Europe-s-Best-Psychics-And-Mediums-2016-Meilleurs-Voyants-et-M-diums-de-France-et-d-Europe-BEST-LIGHTWORKERS-IN-EUROPE-Book-3-by-Jean-Maximillien-De-La-Croix-de-Lafayette.pdf
    • http://muicuiu.dumb1.com/5a00a02a00a02a00/Thunder-in-Europe-Department-Z-6-by-John-Creasey.pdf
    • http://muicuiu.dumb1.com/1a01a04a06a09a02a01/The-Expansion-of-England-by-John-Robert-Seeley.pdf
    • http://muicuiu.dumb1.com/1a01a00a06a07a08a07/Proserpina-and-the-Pleasures-of-England-by-John-Ruskin.pdf
    • http://muicuiu.dumb1.com/4a00a00a09a08a07/A-History-of-Modern-Europe-From-the-Renaissance-to-the-Present-by-John-M-Merriman.pdf
    • http://muicuiu.dumb1.com/3a03a09a02a03a04/Politics-Law-And-Counsel-In-Tudor-And-Early-Stuart-England-by-John-Guy.pdf
    • http://muicuiu.dumb1.com/7a02a02a06a08a06/Unhappy-Union-How-the-Euro-Crisis--and-Europe---Can-Be-Fixed-by-John-Peet.pdf
    • http://muicuiu.dumb1.com/3a03a00a00a02a05/Purple-Secret-Genes-Madness-And-The-Royal-Houses-Of-Europe-by-John-C-G-R-hl.pdf
    • http://muicuiu.dumb1.com/2a03a06a04a03a09/Aladdin-s-Lamp-How-Greek-Science-Came-to-Europe-Through-the-Islamic-World-by-John-Freely.pdf
    • http://muicuiu.dumb1.com/8a01a04a08a00a09/Certaine-Considerations-Upon-the-Government-of-England-Volume-45-by-John-Mitchell-Kemble.pdf
    • http://muicuiu.dumb1.com/1a06a01a07a04a04/The-Ghosts-of-Europe-Central-Europe-s-Past-and-Uncertain-Future-by-Anna-Porter.pdf
    • http://muicuiu.dumb1.com/1a01a03a07a03a01a09/Lgbt-Activism-and-the-Making-of-Europe-A-Rainbow-Europe-by-Phillip-Ayoub.pdf
    • http://muicuiu.dumb1.com/8a04a05a05a06a03/Yearbook-of-the-European-Convention-for-the-Prevention-of-Torture-and-Inhuman-or-Degrading-Treatment-or-Punishment-Annuaire-de-la-Convention-Europeenne-Pour-La-Prevention-de-la-Torture-Et-Des-Peines-Ou-Trai

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