Malicious PDF — malware analysis report

Static analysis result for SHA-256 695ad941d2d65c5a…

MALICIOUS

PDF

17.5 KB Created: 2019-05-03 02:33:04 +01:00 Authoring application: mPDF 5.7
MD5: d79d5ef03098bf67b02f99cac7387a5b SHA-1: e57e64a2ad76d405a21bb12c682d1a44f28f9909 SHA-256: 695ad941d2d65c5a89c93a08f84b5d321af68d26ee4b07221bbf39f722daa129
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which are presented as download links for books. This heuristic, combined with the ML classifier flagging the PDF as malicious, suggests a link farm or phishing attempt. Although no scripts were extracted, the embedded URLs are the primary indicators of malicious intent, likely leading to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9807

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/4a02a06a06a05a06/Kill-La-Kill-Volume-1-by-Trigger.pdf
    • http://muicuiu.dumb1.com/4a01a09a01a05a02/All-You-Need-Is-Kill-Vol-1-All-You-Need-Is-Kill-1-by-Ryosuke-Takeuchi.pdf
    • http://muicuiu.dumb1.com/8a09a08a07a01/Avengers-Arena-Volume-1-Kill-or-Die-by-Dennis-Hopeless.pdf
    • http://muicuiu.dumb1.com/3a03a04a01a06a00/The-Sand-Wars-Volume-One-Solar-Kill-Lasertown-Blues-and-Celestial-Hit-List-by-Charles-Ingrid.pdf
    • http://muicuiu.dumb1.com/1a01a01a08a03a02a09/Healthfully-Ever-After-How-Misguided-Gurus-Use-Pseudoscience-amp-The-Wellness-Philosophy-To-Keep-You-From-Reaching-Your-Best-Health-Kill-Your-Diet-Volume-3-by-Scott-Kustes.pdf
    • http://muicuiu.dumb1.com/2a06a07a01a02a06/Kill-Devil-Hills-Kill-Devil-Hills-1-by-Sarah-Darlington.pdf
    • http://muicuiu.dumb1.com/8a05a08a07a02a01/Kill-or-be-Killed-Vol-2-Kill-or-be-Killed-2-by-Ed-Brubaker.pdf
    • http://muicuiu.dumb1.com/4a01a00a04a00a03/-quot-Guns-Don-t-Kill-People-People-Kill-People-quot-And-Other-Myths-About-Guns-and-Gun-Control-by-Dennis-A-Henigan.pdf
    • http://muicuiu.dumb1.com/2a08a06a03a03a06/Kill-the-Lights-Kill-the-Lights-1-2-by-.pdf
    • http://muicuiu.dumb1.com/2a01a05a05a09a06/How-To-Kill-Yourself-by-C-V-Hunt.pdf
    • http://muicuiu.dumb1.com/1a01a06a00a08a08a03/All-You-Need-Is-Kill-2-by-Ryosuke-Takeuchi.pdf
    • http://muicuiu.dumb1.com/7a03a06a03a09a09/How-to-Kill-a-Man-by-Kristin-DeVille.pdf
    • http://muicuiu.dumb1.com/2a06a07a03a07a03/I-d-Kill-For-That-by-Gayle-Lynds.pdf
    • http://muicuiu.dumb1.com/3a07a07a04a08a08/Kill-Her-Not-by-Nell-Boye.pdf
    • http://muicuiu.dumb1.com/4a05a01a03a04a00/She-Can-Kill-She-Can-5-by-Melinda-Leigh.pdf
    • http://muicuiu.dumb1.com/4a08a01a04a09/All-You-Need-Is-Kill-by-Hiroshi-Sakurazaka.pdf
    • http://muicuiu.dumb1.com/2a05a00a09a06a03/To-Kill-a-Mockingbird-by-Harper-Lee.pdf
    • http://muicuiu.dumb1.com/1a08a03a07a05a05/First-Kill-by-Darcia-Helle.pdf
    • http://muicuiu.dumb1.com/3a09a05a09a03/To-Kill-a-Mockingbird-by-Harper-Lee.pdf
    • http://muicuiu.dumb1.com/3a04a02a08a06a05/To-Kill-the-President-by-Sam-Bourne.pdf

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