Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2401239e658e59f…

MALICIOUS

PDF

32.6 KB Created: 2019-04-30 06:13:34 +01:00 Authoring application: mPDF 5.7
MD5: 7eb19bc2cf6dce7c0280ae3cf8979d44 SHA-1: 8aa8db7757ee89b894c045cb814a9f1c4ab7860a SHA-256: d2401239e658e59f2c50fdc148156fbf48fc17f65ed283e637bcbb5abd5f282f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. The primary heuristic indicates this is a critical finding, suggesting the PDF is designed to direct users to a multitude of external PDF documents. While the specific intent beyond link distribution is unclear, the sheer volume and the ML classifier's high confidence point to a malicious distribution mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

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/6a06a02a08a09a02/IGLOO---LE-JOURNAL-D-UN-CHIOT-LE-PREMIER-MOIS-by-ALICE-CARLE.pdf
    • http://muicuiu.dumb1.com/6a06a02a09a06a07/Mon-ducation-canine-de-3-5-mois-Igloo-Le-Journal-d-un-Chiot-2-by-Eric-Jean-Carle.pdf
    • http://muicuiu.dumb1.com/4a09a08a03a08a06/The-Beatles---Picture-This-300-page-Informative-Book-on-everything-you-wanted-to-know-about-the-1960-s-band-The-Beatles-Igloo-Books-Ltd-by-Igloo-Books-Ltd-.pdf
    • http://muicuiu.dumb1.com/5a09a09a01a04a06/Go-Ask-Alice-Jay-s-Journal-by-Beatrice-Sparks.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a01a05a09/Journal---Green-Patent-Hat-by-Alice-Borchardt.pdf
    • http://muicuiu.dumb1.com/1a00a07a08a01a05a02/Journal---Blue-Patent-Dress-by-Alice-Borchardt.pdf
    • http://muicuiu.dumb1.com/1a04a03a04a00a03/Darwin-With-Glimpses-into-His-Private-Journal-and-Letters-by-Alice-B-McGinty.pdf
    • http://muicuiu.dumb1.com/7a08a03a08a03a01/Once-Upon-a-Fairytale-6x9-Notebook-Journal-Diary-Keepsake-Book-Sketchbook-Travel-Journal-Meditation-Journal-Yoga-Journal-Planner-Organizer-Calligraphy-Book-Composition-Book-100-Lined-Pages-with-Dates-by-Judy-Sery-Barski.pdf
    • http://muicuiu.dumb1.com/7a08a04a00a08a05/Love-Journal-Valentine-s-Day-Love-Journal-Diary-Memory-Notebook-Keepsake-Journal-Sketchbook-Blank-Book-Bullet-Journal-Notebook-Planner-Size-6x9-150-Lined-Pages-by-Night-Fairy.pdf
    • http://muicuiu.dumb1.com/7a08a04a00a02a01/Love-Journal-Valentine-s-Day-Love-Journal-Diary-Memory-Notebook-Keepsake-Journal-Sketchbook-Blank-Book-Bullet-Journal-Notebook-Planner-by-Night-Fairy-Size-6x9-150-Dot-Grid-Pages-by-Night-Fairy.pdf
    • http://muicuiu.dumb1.com/7a08a04a00a08a06/Love-Journal-Valentine-s-Day-Love-Journal-Diary-Memory-Notebook-Keepsake-Journal-Sketchbook-Blank-Book-Bullet-Journal-Notebook-Planner-by-Night-Fairy-Size-6x9-150-Dot-Grid-Pages-by-Night-Fairy.pdf
    • http://muicuiu.dumb1.com/8a05a04a00a02/365-Journal-Writing-Ideas-A-year-of-daily-journal-writing-prompts-questions-amp-actions-to-fill-your-journal-with-memories-self-reflection-creativity-amp-direction-by-Rossi-Fox.pdf
    • http://muicuiu.dumb1.com/1a00a05a04a09a08a06/365-Journal-Writing-Ideas-A-year-of-daily-journal-writing-prompts-questions-amp-actions-to-fill-your-journal-with-memories-self-reflection-creativity-amp-direction-by-Rossi-Fox.pdf
    • http://muicuiu.dumb1.com/6a09a04a00a09a09/Alice-Aventuras-de-Alice-no-Pa-s-das-Maravilhas-amp-Atrav-s-do-Espelho-e-o-Oue-Alice-Encontrou-Por-L-by-Lewis-Carroll.pdf
    • http://muicuiu.dumb1.com/9a07a03a05a07a03/The-Alice-Books-Alice-s-Adventures-in-Wonderland-amp-Through-the-Looking-Glass-and-What-Alice-Found-There-by-Lewis-Carroll.pdf
    • http://muicuiu.dumb1.com/7a08a04a00a08a04/Love-Journal-Valentine-s-Day-Love-Journal-Diary-Memory-Notebook-Keepsake-Journal-Sketchbook-Blank-Book-Bullet-Journal-Notebook-Planner-by-Night-Fairy-Size-6x9-150-Blank-Pages-by-Night-Fairy.pdf
    • http://muicuiu.dumb1.com/6a06a02a07a07a06/Comment-lever-Son-Chiot-by-Various.pdf
    • http://muicuiu.dumb1.com/6a06a02a07a06a09/Eduquer-votre-chiot-by-Ga-l-Hamel.pdf
    • http://muicuiu.dumb1.com/1a00a09a07a02a04a02/Who-s-Hiding-in-Fairyland-by-Igloo-Books-Ltd-.pdf
    • http://muicuiu.dumb1.com/6a06a02a09a05a04/L-ducation-du-chiot-point-de-vue-de-l-leveur-by-Nicole-Jadin.pdf
    • http://muicuiu.dumb1.com/7a08a03a08a03a01/Once-Upon-a-Fairytale-6x9-Notebook-Journal-Diary-Keepsake-Book-Sketchbook-Travel-Journal-Medi

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