Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eda88a46405a4df…

MALICIOUS

PDF

19.3 KB Created: 2019-04-30 05:28:38 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-20
MD5: fa36cf3cc60fcc8e7cbb3baca980b358 SHA-1: de0261825175c5a461909c9bec2ab02bf0ba3b39 SHA-256: 3eda88a46405a4df0ec46b511b08940d4b2a783b9d574d1ce6899ac6d4e22809
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified as a link farm, suggesting a deceptive purpose. While the document body is unreadable, the 'PDF_SEO_LINK_FARM' heuristic and the presence of embedded URLs indicate the sample is designed to redirect users to numerous external sites, likely for malicious purposes such as phishing or malware distribution. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4a02a00a00a03a07/Call-of-Kythshire-Keepers-of-the-Wellsprings-Book-One-by-Missy-Sheldrake.pdf In PDF document text
    • http://muicuiu.dumb1.com/1a07a06a02a02a06/The-World-Keepers-Three-Book-Set-Roblox-Fantasy-The-World-Keepers-1-3-by-Ty-The-Hunter.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a03a02a07a05a02/Death-Comes-to-Dogwood-Manor-A-Missy-DuBois-Mystery-Book-4-by-Sandra-Bretting.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a07a06a02a08a04/The-World-Keepers---Book-6-by-Ty-The-Hunter.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a06a07a07a07a09/LUST-Book-Two-of-the-Shadow-Keepers-Series-by-Jas-T-Ward.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a06a02a01a00a07/Bestow-The-Nature-Keepers-Series-Book-1-by-J-S-Kirkland.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a05a08a04a00a02/Invisible-keepers-Guardian-Fairy-Book-1-by-Anastasia-Ducret.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a09a07a06a08a01/Missy-Piggle-Wiggle-and-the-Sticky-Fingers-Cure-Missy-Piggle-Wiggle-3-by-Ann-M-Martin.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a03a05a05a03a03/Morphic-Resonance-The-Nature-of-Formative-Causation-by-Rupert-Sheldrake.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a06a01a02a04a06/The-Curse-Keepers-Collection-Curse-Keepers-1-3-5-by-Denise-Grover-Swank.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a03a05a05a02a08/Seven-Experiments-That-Could-Change-the-World-A-Do-it-yourself-Guide-to-Revolutionary-Science-by-Rupert-Sheldrake.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a01a03a08a03a05/Missy-the-Werecat-Missy-the-Werecat-1-by-P-G-Allison.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a03a05a05a09a06/Dogs-That-Know-When-Their-Owners-Are-Coming-Home-amp-Other-Unexplained-Powers-of-Animals-by-Rupert-Sheldrake.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a05a09a05a00a03/Highland-Hunger-Book-1-Call-To-Arms-by-W-J-Watt.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a09a08a08a00a05/The-Curse-Keepers-The-Curse-Keepers-1-by-Denise-Grover-Swank.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a05a08a09a08a03/Element-Keepers-Light-Element-Keepers-1-by-Isaac-Hamlet.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a04a05a09a03/Maya-Rising-Last-Call-for-Caviar-Book-2-by-Melissa-Roen.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a00a09a03a06a00/When-the-Devil-Comes-To-Call-A-Lars-and-Shaine-Novel-Book-2-by-Eric-Beetner.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a08a05a07a02a01/The-Keepers-of-Elenath-The-Keepers-of-Elenath-1-by-Amanda-Bradburn.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a05a03a02a00a07/Follow-Me-A-Call-to-Die-A-Call-to-Live-by-David-Platt.pdfIn PDF document text

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