Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ee37505d2e65b43…

MALICIOUS

PDF

33.7 KB Created: 2019-05-01 06:09:27 +01:00 Authoring application: mPDF 5.7
MD5: acbc561c69ba1ef3648af847b318e3cd SHA-1: 5770467da5149dff8a06a42b7a9f979dd4883dbf SHA-256: 3ee37505d2e65b4357e21c18cea5c563e4af74f688d24d7e68043f525e27e9ef
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links point to benign content, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute malware. The ML classifier also strongly indicated maliciousness. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9707

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/9a06a04a08a05a00/Hope-Quotes-Inspirational-Picture-Quotes-about-Hope-4-by-Gabi-Rupp.pdf
    • http://muicuiu.dumb1.com/4a01a03a03a09a06/Inspirational-Picture-Quotes-about-Happiness-by-Gabi-Rupp.pdf
    • http://muicuiu.dumb1.com/9a06a05a00a00a00/Life-Quotes-Inspirational-Picture-Quotes-about-Life-9-by-Gabi-Rupp.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a05a03a00/Inspirational-Quotes-for-Healing-and-Wisdom-Inspirational-Quotes-for-Healing-and-Wisdom-Contine-Book-2-by-Cynthia-Rhoden.pdf
    • http://muicuiu.dumb1.com/7a08a03a07a02a07/Enjoy-the-Little-Things---Gratitude-Journal-Daily-Gratitude-Journal-Inspirational-Gratitude-Quotes-Notebook-Motivation-Journal-Daily-amp-Weekly-Gratitude-Dairy-Inspirational-Quotes-Book-135-Pages-6x9-Happiness-Inspiration-Motivation-Gratitude-Su-by-Judy-Sery-Barski.pdf
    • http://muicuiu.dumb1.com/7a08a03a07a01a08/Enjoy-the-Little-Things---Gratitude-Journal-Daily-Gratitude-Journal-Inspirational-Gratitude-Quotes-Notebook-Motivation-Journal-Daily-amp-Weekly-Gratitude-Dairy-Inspirational-Quotes-Book-135-Pages-6x9-Happiness-Inspiration-Motivation-Gratitude-Su-by-Judy-Sery-Barski.pdf
    • http://muicuiu.dumb1.com/7a08a03a08a04a05/Enjoy-the-Little-Things---Gratitude-Journal-Daily-Gratitude-Journal-Inspirational-Gratitude-Quotes-Notebook-Motivation-Journal-Daily-amp-Weekly-Gratitude-Dairy-Inspirational-Quotes-Book-135-Pages-6x9-Happiness-Inspiration-Motivation-Gratitude-Su-by-Judy-Sery-Barski.pdf
    • http://muicuiu.dumb1.com/7a08a03a07a02a06/Enjoy-the-Little-Things---Gratitude-Journal-Daily-Gratitude-Journal-Inspirational-Gratitude-Quotes-Notebook-Motivation-Journal-Daily-amp-Weekly-Gratitude-Dairy-Inspirational-Quotes-Book-135-Pages-6x9-Happiness-Inspiration-Motivation-Gratitude-Su-by-Judy-Sery-Barski.pdf
    • http://muicuiu.dumb1.com/1a00a06a07a03a04a02/To-Be---Inspired-1001-Inspirational-Quotes-by-Barbara-Hofmeister.pdf
    • http://muicuiu.dumb1.com/5a07a02a02a07/365-Fun-Uplifting-and-Inspirational-Quotes-from-All-the-Top-Movies-by-Daniel-Willey.pdf
    • http://muicuiu.dumb1.com/3a09a05a09a05/30-Pieces-of-Gold-Self-Growth---How-to-use-Inspirational-Quotes-Effectively-by-Ron-Millicent.pdf
    • http://muicuiu.dumb1.com/6a06a04a02/Milk-and-Vine-Inspirational-Quotes-From-Classic-Vines-by-Adam-Gasiewski.pdf
    • http://muicuiu.dumb1.com/1a01a02a01a02a02a00/Thinking-Aloud-A-Collection-of-Original-Inspirational-Quotes-by-Priya-Kumar.pdf
    • http://muicuiu.dumb1.com/7a06a03a08a03a08/Of-Love-amp-Sea-Glass-Inspirational-Quotes-and-Treasured-Gifts-from-the-Sea-by-Donald-Verger.pdf
    • http://muicuiu.dumb1.com/5a04a04a00a00/Be-Great-365-Inspirational-Quotes-from-the-World-s-Most-Influential-People-by-Daniel-Willey.pdf
    • http://muicuiu.dumb1.com/5a00a06a08a01/Spiritual-Food-for-Thought-31-Inspirational-Quotes-to-Jump-Start-Your-Day-by-La-Tanyha-Boyd.pdf
    • http://muicuiu.dumb1.com/1a00a01a00a02a08a01/Hula-Hawaiian-Proverbs-and-Inspirational-Quotes-Celebrating-Hula-in-Hawai-i-by-Mary-Kawena-Pukui.pdf
    • http://muicuiu.dumb1.com/1a00a09a08a02a06a09/Love-Love-Inspirational-Quotes-by-Jessie-Heiler.pdf
    • http://muicuiu.dumb1.com/1a06a01a05a01a01/HOPE-An-Inspirational-SHORT-5-000-word-Story-Ryn-s-Rural-lit-Book-1-by-Ryn-Shell.pdf
    • http://muicuiu.dumb1.com/6a05a00a05a04/Hogan-s-Hope-A-Deaf-Hero-s-Inspirational-Quest-for-Love-and-Acceptance-by-Connie-Bombaci.pdf
    • http://muicuiu.dumb1.com/7a08a03a07a02a07/Enjoy-the-Little-Things---Gratitude-Journal-Daily-Gratitude-Journal-Inspirational-Gratitude-Quotes-Not

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