Malicious PDF — malware analysis report

Static analysis result for SHA-256 e60c8783bcab9968…

MALICIOUS

PDF

13.9 KB Created: 2019-04-30 05:39:41 +01:00 Authoring application: mPDF 5.7
MD5: 8dbe82cfd293da51f466ae47e19bd097 SHA-1: a61ff4d7efcf768e1349335c1d8721263f4f34a5 SHA-256: e60c8783bcab9968131b6f524398ba5c9b6c9ff324f78a77e1827e9212045764
90 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a link farm. While most of the linked URLs are benign, the sheer volume and the heuristic 'PDF_SEO_LINK_FARM' suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the ability to determine the exact payload or delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/2a07a06a08a04a05/The-Long-Road-Home-A-Place-Called-Home-3-by-Lori-Wick.pdf
    • http://muicuiu.dumb1.com/2a01a00a09a03a08/There-s-No-Place-Like-Home-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/9a09a07a08a07a05/The-Folks-2-No-Place-Like-Home-by-Ray-Garton.pdf
    • http://muicuiu.dumb1.com/3a04a08a06a02a09/No-Place-Like-Home-by-Nicole-Sobon.pdf
    • http://muicuiu.dumb1.com/9a05a04a08a01a07/No-place-no-home-by-Morton-Rhue.pdf
    • http://muicuiu.dumb1.com/2a05a01a04a09a09/The-Home-Place-by-Carrie-La-Seur.pdf
    • http://muicuiu.dumb1.com/4a03a00a05a02a09/No-Place-Like-Home-by-Nicole-Sobon.pdf
    • http://muicuiu.dumb1.com/1a09a08a08a07a07/A-Place-to-Call-Home-by-Carole-Matthews.pdf
    • http://muicuiu.dumb1.com/3a09a01a01a03/A-Place-to-Call-Home-by-Deborah-Smith.pdf
    • http://muicuiu.dumb1.com/1a05a05a08a05a00/No-Place-Like-Home-InCryptid-0-03-by-Seanan-McGuire.pdf
    • http://muicuiu.dumb1.com/7a04a09a07a09a02/A-Place-Called-Home-by-Dilly-Court.pdf
    • http://muicuiu.dumb1.com/5a00a09a01a05/A-Place-to-Claim-as-Home-by-Patricia-Willis.pdf
    • http://muicuiu.dumb1.com/2a06a03a08a04a06/A-Place-to-Call-Home-by-Carole-Matthews.pdf
    • http://muicuiu.dumb1.com/2a07a02a04a08a09/Kaja-Star-No-Place-Like-Home-by-Aaron-Rocheleau.pdf
    • http://muicuiu.dumb1.com/5a01a00a09a09a03/In-These-Times-the-Home-Is-a-Tired-Place-by-Jessica-Hollander.pdf
    • http://muicuiu.dumb1.com/5a00a00a01a07a01/Welcome-to-Last-Chance-A-Place-to-Call-Home-1-by-Cathleen-Armstrong.pdf
    • http://muicuiu.dumb1.com/2a00a03a07a05a07/No-Place-Like-Home-Includes-La-Vie-en-Roses-1-5-by-Linda-Lael-Miller.pdf
    • http://muicuiu.dumb1.com/6a01a03a08a07a03/A-Place-Called-Home-The-Social-Dimensions-of-Homeownership-by-Kim-R-Manturuk.pdf
    • http://muicuiu.dumb1.com/2a00a09a07a02/Hidden-in-a-Heartbeat-A-Place-Called-Home-3-by-Patricia-McLinn.pdf
    • http://muicuiu.dumb1.com/3a04a05a03a07a04/The-Lifegiving-Home-Creating-a-Place-of-Belonging-and-Becoming-by-Sally-Clarkson.pdf
    • http://muicuiu.dumb1.com/2a07a02a04a08a09/Kaja-Star-No-Place-Like

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