Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9eaca81794188bf…

MALICIOUS

PDF

28.6 KB Created: 2019-04-30 04:57:17 +01:00 Authoring application: mPDF 5.7
MD5: e24a31cd59206b8977991be61736ccc3 SHA-1: 142ba1e1c11accdb15c02773ebe267647156a300 SHA-256: e9eaca81794188bfbc77d44cadb3d2f090e6f1bb9fa3d658d52f0651b53a78ad
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While many of these URLs were individually confirmed as benign, the sheer volume and the nature of the heuristic suggest an attempt to manipulate search engine results or to host a large number of potentially malicious links. The ML_NYX_PDF_MALICIOUS classifier also flagged this document with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9700

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/6a01a03a08a05a01/A-Life-in-Pieces-A-Harrowing-True-Story-of-a-Woman-with-Multiple-Personality-Disorder-by-Richard-Baer.pdf
    • http://muicuiu.dumb1.com/2a03a07a08a02a01/A-Fractured-Mind-My-Life-with-Multiple-Personality-Disorder-by-Robert-B-Oxnam.pdf
    • http://muicuiu.dumb1.com/2a01a05a04a04a08/The-Magic-Castle-A-Mother-s-Harrowing-True-Story-Of-Her-Adoptive-Son-s-Multiple-Personalities---And-The-Triumph-Of-Healing-by-Carole-Smith.pdf
    • http://muicuiu.dumb1.com/3a04a01a09a00a05/The-Company-We-Keep-A-Husband-and-Wife-True-Life-Spy-Story-by-Robert-B-Baer.pdf
    • http://muicuiu.dumb1.com/2a02a03a03a07a04/Today-I-m-Alice-a-memoir-of-multiple-personality-disorder-by-Alice-Jamieson.pdf
    • http://muicuiu.dumb1.com/3a04a04a04a07a00/Sybil-Exposed-The-Extraordinary-Story-Behind-the-Famous-Multiple-Personality-Case-by-Debbie-Nathan.pdf
    • http://muicuiu.dumb1.com/4a00a08a08a02a02/Remnants-of-a-Life-on-Paper-A-Mother-and-Daughter-s-Struggle-with-Borderline-Personality-Disorder-by-Bea-Tusiani.pdf
    • http://muicuiu.dumb1.com/4a05a03a03a00a05/Jungle-Movie-Tie-In-Edition-A-Harrowing-True-Story-of-Survival-in-the-Amazon-by-Yossi-Ghinsberg.pdf
    • http://muicuiu.dumb1.com/4a09a04a08a01a07/People-Who-Eat-Darkness-The-True-Story-of-a-Young-Woman-Who-Vanished-from-the-Streets-of-Tokyo-and-the-Evil-That-Swallowed-Her-Up-by-Richard-Lloyd-Parry.pdf
    • http://muicuiu.dumb1.com/2a04a01a03a06a04/See-No-Evil-The-True-Story-of-a-Ground-Soldier-in-the-CIA-s-War-on-Terrorism-by-Robert-B-Baer.pdf
    • http://muicuiu.dumb1.com/4a01a06a06a08a09/Guinevere-The-True-Story-of-One-Woman-s-Quest-for-Her-Past-Life-Identity-and-the-Healing-of-Her-Eternal-Soul-by-Laurel-Phelan.pdf
    • http://muicuiu.dumb1.com/6a01a03a08a00a01/Blood-Justice-The-True-Story-of-Multiple-Murder-and-a-Family-s-Revenge-by-Tom-Henderson.pdf
    • http://muicuiu.dumb1.com/9a08a02a07a03/Life-Without-Ed-How-One-Woman-Declared-Independence-from-Her-Eating-Disorder-and-How-You-Can-Too-by-Jenni-Schaefer.pdf
    • http://muicuiu.dumb1.com/3a03a05a04a06a08/Bitter-Blood-A-True-Story-of-Southern-Family-Pride-Madness-and-Multiple-Murder-by-Jerry-Bledsoe.pdf
    • http://muicuiu.dumb1.com/7a03a06a03a03a00/Borderline-Personality-Disorder-by-Roy-Krawitz.pdf
    • http://muicuiu.dumb1.com/1a02a01a06a09a05/The-Life-Crimes-and-Hard-Times-of-Ricky-Atkinson-Leader-of-the-Dirty-Tricks-Gang-A-True-Story-by-Richard-Atkinson.pdf
    • http://muicuiu.dumb1.com/7a03a06a01a06a05/Borderline-Personality-Disorder-for-Dummies-by-Charles-H-Elliott.pdf
    • http://muicuiu.dumb1.com/5a06a07a03a02/Get-Me-Out-of-Here-My-Recovery-from-Borderline-Personality-Disorder-by-Rachel-Reiland.pdf
    • http://muicuiu.dumb1.com/7a03a06a04a04a00/Schema-Therapy-for-Borderline-Personality-Disorder-by-Arnoud-Arntz.pdf
    • http://muicuiu.dumb1.com/2a09a01a05a00a03/An-Alcoholic-Husband---a-Story-of-Love-and-Hope-The-extraordinary-true-story-of-one-woman-s-journey-married-to-a-loveable-rogue-by-Carol-Mills.pdf
    • http://muicuiu.dumb1.com/2a01a05a04a04a08/The-Magic-Castle-A-Mother-s-Harrowing-True-Story-Of-Her-Adoptive-Son-s-Multiple-Personalities-

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