Malicious PDF — malware analysis report

Static analysis result for SHA-256 d895658bb644189e…

MALICIOUS

PDF

13.6 KB Created: 2019-05-07 09:38:58 +01:00 Authoring application: mPDF 5.7
MD5: 7010063606ab945d24da48a55d555811 SHA-1: e099baecdea702b7ac21ecf9b99734476b7b7428 SHA-256: d895658bb644189eb8303b89a7c264f8954cb817fb23ffe58d9511a63b8a60e3
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used in SEO spam or phishing campaigns to drive traffic to malicious sites. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of a link farm and the ML detection strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/7a03a06a01a04/Nearly-Found-Nearly-Gone-2-by-Elle-Cosimano.pdf
    • http://muicuiu.dumb1.com/7a00a01a03a08a06/Found-Arielle-Lockley-3-by-Elle-Field.pdf
    • http://muicuiu.dumb1.com/3a06a08a09a07a08/Lost-and-Found-Love-in-New-York-1-by-Elle-Casey.pdf
    • http://muicuiu.dumb1.com/2a07a02a00a06a03/Found-at-the-Library-Found-1-by-Christi-Snow.pdf
    • http://muicuiu.dumb1.com/2a03a03a02a04a01/Weaving-Wyrd-The-Poetry-and-Thoughts-of-Elle-Mort-by-Elle-Mort.pdf
    • http://muicuiu.dumb1.com/2a02a09a02a09a05/Found-by-You-Found-by-You-1-by-Victoria-H-Smith.pdf
    • http://muicuiu.dumb1.com/4a08a03a00a06a09/He-Found-Me-He-Found-Me-1-by-Whitney-Barbetti.pdf
    • http://muicuiu.dumb1.com/4a05a03a03a02a03/Principia-Discordia-Or-quot-How-I-Found-Goddess-and-What-I-Did-to-Her-When-I-Found-Her-quot-by-Gregory-Hill.pdf
    • http://muicuiu.dumb1.com/3a09a05a01a08a09/Lost-and-Found-Pieces-Lost-and-Found-5-2-by-J-M-Madden.pdf
    • http://muicuiu.dumb1.com/3a05a05a03a05a08/Anywhere-With-You-by-Christina-Elle.pdf
    • http://muicuiu.dumb1.com/4a01a06a00a03a07/Wherever-You-Are-by-Elle-Wright.pdf
    • http://muicuiu.dumb1.com/3a02a03a00a05a03/On-Her-Six-Under-Covers-1-by-Christina-Elle.pdf
    • http://muicuiu.dumb1.com/1a06a06a04a08a06/Top-Brass-by-Elle-Marlow.pdf
    • http://muicuiu.dumb1.com/6a07a03a00a03a06/After-the-Fall-War-of-the-Fae-5-by-Elle-Casey.pdf
    • http://muicuiu.dumb1.com/2a01a09a08a09a09/By-Degrees-by-Elle-Casey.pdf
    • http://muicuiu.dumb1.com/5a03a08a09a02a04/Elle-savait-by-Lee-Child.pdf
    • http://muicuiu.dumb1.com/4a02a05a01a07a04/The-Fling-by-Elle-J-Lawson.pdf
    • http://muicuiu.dumb1.com/2a00a06a01a08a03/Two-Rivals-by-Elle-Everton.pdf
    • http://muicuiu.dumb1.com/3a06a07a05a06a07/The-Pin-Up-Artist-by-Elle-Marlow.pdf
    • http://muicuiu.dumb1.com/7a02a05a06a00a06/Elle-by-Harriet-Lane.pdf

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