Malicious PDF — malware analysis report

Static analysis result for SHA-256 041214d77ee5ac12…

MALICIOUS

PDF

16.7 KB Created: 2019-04-30 03:37:54 +01:00 Authoring application: mPDF 5.7
MD5: cc92e2b8c0d9555edebf50eb3774bd4b SHA-1: ab1c59676c609427861fb199481b36ab3f4388a8 SHA-256: 041214d77ee5ac1274d321797216bd77eefff8f263b38ae49f0fe98f6ba41f23
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 'PDF_SEO_LINK_FARM' heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or direct users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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/1a01a00a04a06a08a08/Imago-by-Jim-Burns.pdf
    • http://muicuiu.dumb1.com/1a01a00a05a00a05a03/Short-Term-Couples-Therapy-The-Imago-Model-in-Action-The-Imago-Model-in-Action-by-Wade-Luquet.pdf
    • http://muicuiu.dumb1.com/1a03a09a03a07a04/Burns-A-Biography-of-Robert-Burns-by-James-A-MacKay.pdf
    • http://muicuiu.dumb1.com/2a04a00a02a05/Fantagraphics-Studio-Edition-Charles-Burns-Black-Hole-by-Charles-Burns.pdf
    • http://muicuiu.dumb1.com/2a01a02a05a03a02/Atlanta-Burns-Atlanta-Burns-1-by-Chuck-Wendig.pdf
    • http://muicuiu.dumb1.com/7a08a06a08a01/A-Fire-That-Burns-A-Fire-That-Burns-1-by-Kirsty-Anne-Still.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a06a09a02/Imago-by-Jack-Reyn.pdf
    • http://muicuiu.dumb1.com/1a02a09a07a08a07/Imago-Bird-by-Nicholas-Mosley.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a07a09a07/The-Tears-of-God-Imago-Chronicles-4-by-L-T-Suzuki.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a07a09a08/Destiny-s-End-Imago-Chronicles-5-by-L-T-Suzuki.pdf
    • http://muicuiu.dumb1.com/1a01a00a05a00a05a07/The-Imaginary-The-Imago-Trilogy-2-by-J-J-Stone.pdf
    • http://muicuiu.dumb1.com/5a00a00a05a04a01/Imago-Xenogenesis-3-by-Octavia-E-Butler.pdf
    • http://muicuiu.dumb1.com/3a01a09a08a03a01/Tackling-the-Imago-by-Anyer-Feanix.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a09a07a02/The-Broken-Covenant-Imago-Chronicles-7-by-L-T-Suzuki.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a07a09a06/The-Mirror-Stage-The-Imago-Trilogy-1-by-J-J-Stone.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a09a07a05/Imago-Christi-The-Example-of-Jesus-Christ-by-James-Stalker.pdf
    • http://muicuiu.dumb1.com/1a01a00a04a09a07a03/Imago-Relationship-Therapy-Perspectives-on-Theory-by-Harville-Hendrix.pdf
    • http://muicuiu.dumb1.com/6a00a07a02a02a02/Imago-Lignea-Sculture-Lignee-Nel-Trentino-Dal-XIII-Al-XVI-Secolo-by-Enrico-Castelnuovo.pdf
    • http://muicuiu.dumb1.com/5a00a04a03a06a03/Lilith-s-Brood-Contains-the-complete-series-Dawn-Adulthood-Rites-and-Imago-Xenogenesis-1-3-by-Octavia-E-Butler.pdf
    • http://muicuiu.dumb1.com/1a07a05a00a09a09/X-ed-Out-by-Charles-Burns.pdf

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