Malicious PDF — malware analysis report

Static analysis result for SHA-256 5869053cd314e67e…

MALICIOUS

PDF

20.3 KB Created: 2019-04-30 04:07:16 +01:00 Authoring application: mPDF 5.7
MD5: e457f77ed6f57ae946a71063390b829b SHA-1: c42b759c382587b6977e77d5abb7ec7ac6d6250c SHA-256: 5869053cd314e67e2ebb659c56244d7b9f857439cdb3a9cde8577ddb1cf31e8b
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on the domain 'muicuiu.dumb1.com'. This is indicative of a link farm or SEO manipulation tactic, which can be used to distribute malicious content or drive traffic to malicious sites. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9924

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/1a01a09a01a05a01a05/We-the-Living-Sixtieth-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/3a01a07a00a00a09/We-the-Living-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/6a05a03a04a09a08/The-Early-Ayn-Rand-A-Selection-from-Her-Unpublished-Fiction-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/9a09a05a03a06/For-the-New-Intellectual-The-Philosophy-of-Ayn-Rand-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/2a05a05a01a07a01/The-Ayn-Rand-Lexicon-Objectivism-from-A-to-Z-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/9a08a01a06a08a08/Rand-McNally-streets-amp-highways-of-Chicagoland-by-Rand-McNally-and-Company.pdf
    • http://muicuiu.dumb1.com/1a01a08a03a00a04a03/The-Very-Best-of-Fantasy-amp-Science-Fiction-Sixtieth-Anniversary-Anthology-by-Gordon-Van-Gelder.pdf
    • http://muicuiu.dumb1.com/7a06a04a05a09a02/Living-Russian-Revised-dictionary-The-Complete-Living-Language-Course-by-Nadya-Peterson.pdf
    • http://muicuiu.dumb1.com/8a08a09a03a08a01/Living-in-DC-An-Insider-s-Guide-How-to-Get-a-Job-and-Make-the-Most-of-Living-in-the-Nation-s-Capital-by-Kate-McFadyen.pdf
    • http://muicuiu.dumb1.com/6a00a06a07a08/Four-Quadrant-Living-Making-Healthy-Living-Your-New-Way-of-Life-by-Dina-Colman.pdf
    • http://muicuiu.dumb1.com/3a01a09a01a06a06/Eeny-Meeny-Miney-Mo-And-Still---Mo-Lessons-In-Living-From-Five-Frisky-Red-Squirrels-Living-Forest-3-by-Sam-Campbell.pdf
    • http://muicuiu.dumb1.com/2a05a09a00a00a06/The-Everything-Guide-to-Living-Off-the-Grid-A-back-to-basics-manual-for-independent-living-by-Terri-Reid.pdf
    • http://muicuiu.dumb1.com/1a01a07a05a09a07a02/Living-Loving-amp-Unlearning-A-Therapist-s-Guide-to-Healing-and-Living-Authentically-from-the-Inside-Out-by-Cynthia-Brennen.pdf
    • http://muicuiu.dumb1.com/3a06a07a01a03/Mindfulness-Living-in-the-Moment---Living-in-the-Breath-by-Amit-Ray.pdf
    • http://muicuiu.dumb1.com/7a05a08a03a04a01/Der-Streik-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/3a01a03a08a01a05/Anthem-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/4a00a00a02a00/Philosophy-Who-Needs-It-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/9a05a09a01a03a02/Atlas-Shrugged-by-Ayn-Rand.pdf
    • http://muicuiu.dumb1.com/8a00a02a01a05/The-Burning-Jacket-by-Nel-Rand.pdf
    • http://muicuiu.dumb1.com/4a06a08a03a02a08/The-Green-Man-and-Other-Stories-by-Rand-B-Lee.pdf
    • http://muicuiu.dumb1.com/1a01a08a03a00a04a03/The-Very-Best-of-Fantasy-amp-Science-Fiction-Sixtieth-Anniversary-Ant

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