Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9de3a74a18da0f5…

MALICIOUS

PDF

30.2 KB Created: 2019-05-07 03:19:32 +01:00 Authoring application: mPDF 5.7
MD5: 4ab4464381ee94763e1e44da287d5aba SHA-1: 169bd6f157a44f2a95d0804dc1cbb23df10c33e5 SHA-256: f9de3a74a18da0f53c0ef444a467ecc9192ce97807289db9599422a28341a48e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a malicious intent to manipulate search engine results or distribute malware. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was unreadable, limiting the ability to determine the exact payload or delivery mechanism.

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/2a03a06a06a01a01/Death-Chants-Short-Stories-by-Craig-Kee-Strete.pdf
    • http://muicuiu.dumb1.com/2a03a07a00a05a00/Dreams-That-Burn-in-the-Night-by-Craig-Kee-Strete.pdf
    • http://muicuiu.dumb1.com/3a08a06a09a09a03/Talking-Leaves-Contemporary-Native-American-Short-Stories-by-Craig-Lesley.pdf
    • http://muicuiu.dumb1.com/3a01a03a02a07a05/Short-Stories-for-Early-Readers-17-Short-Stories-Included-Tall-Tales-Kids-Story-Bundle-Childrens-ebooks-Short-Story-Series-Diaries-of-Simple-Reading-by-Betty-J-Byers.pdf
    • http://muicuiu.dumb1.com/5a04a04a01a03a05/Babylon-Revisited-and-Other-Stories-Fitzgerald-s-Greatest-Short-Stories-A-Collection-of-short-stories-from-the-author-of-The-Great-Gatsby-The-Side-Button-and-many-other-notable-works-by-F-Scott-Fitzgerald.pdf
    • http://muicuiu.dumb1.com/6a05a07a09a03a02/The-Hemingway-Valise-Death-Sentences-Short-Stories-to-Die-For-Book-35-by-Robert-Olen-Butler.pdf
    • http://muicuiu.dumb1.com/3a01a03a06a04a00/Short-Elementary-Level-Stories-Bundle-2-3-Short-Stories-in-1-Ebook-Books-about-Santa-mystery-space-animals-planets-family-Perfect-for-kids-under-10-learning-to-read-by-Betty-J-Byers.pdf
    • http://muicuiu.dumb1.com/3a01a03a02a08a02/Short-Elementary-Level-Stories-Bundle-5-3-Short-Stories-in-1-Ebook-Books-about-love-signing-baby-animals-school-planets-family-Perfect-for-kids-under-10-learning-to-read-by-Betty-J-Byers.pdf
    • http://muicuiu.dumb1.com/1a01a05a06a05a09a05/Craig-Stadler-s-Secrets-of-the-Short-Game-by-Craig-Stadler.pdf
    • http://muicuiu.dumb1.com/4a07a00a06a03a07/Articles-on-in-Death-Novel-Series-Including-In-Death-Eve-Dallas-Naked-in-Death-Roarke-in-Death-Characters-Glory-in-Death-Immortal-in-Death-Vengeance-in-Death-in-Death-Technology-Origin-in-Death-Memory-in-Death-Novel-by-Hephaestus-Books.pdf
    • http://muicuiu.dumb1.com/3a01a03a05a04a03/Kids-Short-Story-Collection-2-Great-Short-Bedtime-Stories-Children-s-books--Animal-Bedtime-Stories-for-Kids-by-Betty-J-Byers.pdf
    • http://muicuiu.dumb1.com/4a04a05a05a02a01/An-Anthology-of-Chinese-Short-Short-Stories-Panda-Books-by-Harry-J-Huang.pdf
    • http://muicuiu.dumb1.com/2a06a09a09a04a03/Lies-I-Never-Told---A-Short-Collection-of-Short-Stories-by-Martin-Crosbie.pdf
    • http://muicuiu.dumb1.com/1a06a04a00a01a09/100-Great-Science-Fiction-Short-Short-Stories-by-Isaac-Asimov.pdf
    • http://muicuiu.dumb1.com/4a00a05a04a03a07/You-Have-Time-for-This-Contemporary-American-Short-Short-Stories-by-Mark-Budman.pdf
    • http://muicuiu.dumb1.com/1a06a03a09a02a07/Microcosmic-Tales-100-Wondrous-Science-Fiction-Short-Short-Stories-by-Isaac-Asimov.pdf
    • http://muicuiu.dumb1.com/2a07a03a06a06a02/The-Complete-Betrayal-Series-Lesbian-Romance-Short-Stories-Lesbian-Fiction-Short-Stories-Lesbian-Drama-Series-Lesbian-New-Adult-by-Sofia-Velardi.pdf
    • http://muicuiu.dumb1.com/9a06a02a05a03/One-Day-The-End-Short-Very-Short-Shorter-Than-Ever-Stories-by-Rebecca-Kai-Dotlich.pdf
    • http://muicuiu.dumb1.com/7a07a01a03a05a08/Housewife-s-Secrets-and-Other-Erotic-Stories-Six-Slut-Wives-and-Rough-Sex-Erotic-Short-Stories-by-Erotique-Stories.pdf
    • http://muicuiu.dumb1.com/9a07a07a03a07/Near-Death-Experiences-True-stories-of-Near-Death-Experiences-told-by-real-people-True-stories-of-those-who-went-to-Heaven-by-Tessy-Rawlins.pdf
    • http://muicuiu.dumb1.com/6a05a07a09a03a02/The-Hemingway-Valise-D

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