Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5a18e34f7bbc2ea…

MALICIOUS

PDF

17.2 KB Created: 2019-04-30 03:39:14 +01:00 Authoring application: mPDF 5.7
MD5: d94cdcfa54d6260ecec3a15da9ddf066 SHA-1: 1df9792d83f1d53ff4e8b364659c8fc517deef44 SHA-256: e5a18e34f7bbc2eaba054acdcb593ebc9eb175869010041a0bde7168f3d15171
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on the domain 'muicuiu.dumb1.com'. This behavior is indicative of a link farm or a phishing lure designed to redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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/9a02a03a07a03a06/Das-Prinzip-Gerda-Gerda-Buddenbrook-ALS-Bedeutungsvolle-Leerstelle-Und-Transitorische-Figur-in-Thomas-Manns-Buddenbrooks-by-Martin-Andiel.pdf
    • http://muicuiu.dumb1.com/2a00a03a03a08a08/My-Lady-of-the-Fuchsias-by-Essie-Summers.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a07a04a00/The-Pig-Society-by-Gerda-Koontz.pdf
    • http://muicuiu.dumb1.com/5a01a06a02a05a01/Icecream-by-Gerda-Dendooven.pdf
    • http://muicuiu.dumb1.com/4a00a08a09a02a06/The-Creation-of-Patriarchy-by-Gerda-Lerner.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a06a06a05/Gerda-The-Goose-by-Hiawyn-Oram.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a05a01a05/Gerda-Taro-by-Jane-Rogoyska.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a05a02a03/Saving-Gerda-by-Lilian-Darcy.pdf
    • http://muicuiu.dumb1.com/4a07a06a04a02a02/Fireweed-A-Political-Autobiography-by-Gerda-Lerner.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a07a04a06/The-Feminist-Thought-of-Sarah-Grimke-by-Gerda-Lerner.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a05a02a05/Out-of-the-Shadows-A-Life-of-Gerda-Taro-by-Fran-ois-Maspero.pdf
    • http://muicuiu.dumb1.com/1a01a03a07a09a07a06/With-Respect-for-Others-by-Cynthia-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a01a00a07/Manna-by-Carl-Manthey-Zorn.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a08a00a01/The-Majority-Finds-Its-Past-Placing-Women-in-History-by-Gerda-Lerner.pdf
    • http://muicuiu.dumb1.com/1a01a03a01a07a02a07/Weihnachten-zart-herb-Geschichten-und-Gedichte-by-Gerda-Greschke-Begemann.pdf
    • http://muicuiu.dumb1.com/4a02a02a08a03a08/The-Hours-After-Letters-of-Love-and-Longing-in-War-s-Aftermath-by-Gerda-Weissmann-Klein.pdf
    • http://muicuiu.dumb1.com/7a09a00a00a07a03/Great-Himalaya-Trail-1-700-Kilometres-Across-the-Roof-of-the-World-by-Gerda-Pauler.pdf
    • http://muicuiu.dumb1.com/5a01a08a04a00a02/The-Practice-of-Primary-Nursing-by-Marie-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a06a06/Datenschutz-in-Der-Kinder--Und-Jugendhilfe-by-Andreas-Manthey.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00a05a07/Die-Zeitreisende-Teil-5-Der-Sklavenaufstand-by-Hardy-Manthey.pdf
    • http://muicuiu.dumb1.com/1a00a04a04a07a04a06/The-Feminist-Thought-of-Sarah-Grimke-by-Gerda-Lerne

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