Malicious PDF — malware analysis report

Static analysis result for SHA-256 74d70b5626b2e093…

MALICIOUS

PDF

17.3 KB Created: 2019-04-30 03:32:42 +01:00 Authoring application: mPDF 5.7
MD5: 2f3b771ae3f3b34eda277fc41b3750db SHA-1: 17c26ae8e5352f9a5f28dddbff3bc82071dfe24d SHA-256: 74d70b5626b2e09342f938cd4074cd4ba07afedd4a82c00e0bc7184ed1e892fe
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links to external PDFs suggests an attempt to manipulate search engine results or direct users to potentially malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/7a09a07a03a05a09/Universal-Beauty-The-Miss-Universe-Guide-to-Beauty-by-Cara-Birnbaum.pdf
    • http://muicuiu.dumb1.com/2a08a00a07a08a01/Cruel-Beauty-Cruel-Beauty-Universe-1-by-Rosamund-Hodge.pdf
    • http://muicuiu.dumb1.com/2a04a05a08a03a09/Cruel-Beauty-Cruel-Beauty-Universe-1-by-Rosamund-Hodge.pdf
    • http://muicuiu.dumb1.com/1a04a01a09a09/Beauty-A-Retelling-of-the-Story-of-Beauty-and-the-Beast-by-Robin-McKinley.pdf
    • http://muicuiu.dumb1.com/2a00a04a09a04a07/Truly-We-Both-Loved-Beauty-Dearly-The-Story-of-Sleeping-Beauty-as-Told-by-the-Good-and-Bad-Fairies-by-Trisha-Speed-Shaskan.pdf
    • http://muicuiu.dumb1.com/6a04a05a04a06a05/Stealing-Beauty-Possessing-Beauty-2-by-Madison-Faye.pdf
    • http://muicuiu.dumb1.com/9a06a01a00a00a06/The-Beauty-Series-Bundle-Beauty-1-3-by-Georgia-Cates.pdf
    • http://muicuiu.dumb1.com/3a00a02a00a06a01/Beauty-Touched-the-Beast-Beauty-1-by-Skye-Warren.pdf
    • http://muicuiu.dumb1.com/1a09a00a01a02a05/Indescribable-Encountering-the-Glory-of-God-in-the-Beauty-of-the-Universe-by-Louie-Giglio.pdf
    • http://muicuiu.dumb1.com/3a04a00a05a09a02/Beauty-From-Pain-Beauty-1-by-Georgia-Cates.pdf
    • http://muicuiu.dumb1.com/4a08a07a04a06/Beauty-s-Release-Sleeping-Beauty-3-by-A-N-Roquelaure.pdf
    • http://muicuiu.dumb1.com/2a00a00a07a01a02/The-Beauty-Series-Beauty-1-4-by-Skye-Warren.pdf
    • http://muicuiu.dumb1.com/4a00a08a05a07/Beauty-from-Surrender-Beauty-2-by-Georgia-Cates.pdf
    • http://muicuiu.dumb1.com/3a09a08a03a02a05/Beneath-the-Beauty-Beauty-2-by-Skye-Warren.pdf
    • http://muicuiu.dumb1.com/1a00a09a04a01a02/Beauty-Beauty-by-Rebecca-Perry.pdf
    • http://muicuiu.dumb1.com/7a09a07a03a05a01/Birnbaum-s-2016-Walt-Disney-World-The-Official-Guide-by-Birnbaum-Guides.pdf
    • http://muicuiu.dumb1.com/7a09a07a04a09a02/Birnbaum-s-Global-Guide-to-Winning-the-Great-Garment-War-by-David-Birnbaum.pdf
    • http://muicuiu.dumb1.com/7a09a07a04a03a00/Birnbaum-s-Walt-Disney-World-Dining-Guide-2012-by-Birnbaum-Travel-Guides.pdf
    • http://muicuiu.dumb1.com/7a09a07a03a05a06/Birnbaum-s-Walt-Disney-World-Pocket-Parks-Guide-2013-by-Birnbaum-Travel-Guides.pdf
    • http://muicuiu.dumb1.com/1a00a07a00a07a06a05/Beauty-amp-the-Beast-Vendetta-Beauty-amp-the-Beast-1-by-Nancy-Holder.pdf

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