Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e062cabdce4380f…

MALICIOUS

PDF

21.4 KB Created: 2019-05-07 08:53:03 +01:00 Authoring application: mPDF 5.7
MD5: 2c558f1524b5ffc9449a00067ba21457 SHA-1: 9601f4ace6c56b238bc5f903b744f49d62fed8f1 SHA-256: 8e062cabdce4380f07527813e4a3008a732ac378c91a88cd31b2fd60fe91895f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While most of these links were classified as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to distribute further malware. The ML_NYX_PDF_MALICIOUS classifier also strongly indicated maliciousness. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/7a02a02a00a08a09/Epidemiology-of-Quality-by-Vahe-A-Kazandjian.pdf
    • http://muicuiu.dumb1.com/7a02a02a02a04a09/The-Effectiveness-of-Cqi-in-Health-Care-by-Vahe-A-Kazandjian.pdf
    • http://muicuiu.dumb1.com/7a02a02a01a09a09/Healthcare-Performance-Measurement-Systems-Design-and-Evaluation-by-Vahe-A-Kazandjian.pdf
    • http://muicuiu.dumb1.com/8a06a04a05a04a01/Enhancing-Quality-of-Web-Service-Based-Cooperative-Business-Processes--Definition-and-Monitoring-of-Quality-Constraints-by-Tobias-Berr.pdf
    • http://muicuiu.dumb1.com/5a07a03a04a08a01/Axiomatic-Quality-Integrating-Axiomatic-Design-with-Six-Sigma-Reliability-and-Quality-Engineering-by-Basem-S-El-Haik.pdf
    • http://muicuiu.dumb1.com/4a09a09a07a03a07/HIV-and-AIDS-in-Africa-Beyond-Epidemiology-by-Ezekiel-Kalipeni.pdf
    • http://muicuiu.dumb1.com/8a02a04a05a03a07/Forensic-Epidemiology-in-the-Global-Context-by-Sana-Loue.pdf
    • http://muicuiu.dumb1.com/1a00a09a09a06a06a06/Psychiatric-Epidemiology-Searching-for-the-Causes-of-Mental-Disorders-by-Ezra-S-Susser.pdf
    • http://muicuiu.dumb1.com/7a02a02a00a00a04/Cigars-by-Vahe-Gerard.pdf
    • http://muicuiu.dumb1.com/5a06a08a05a05/The-Lean-Six-SIGMA-Pocket-Toolbook-A-Quick-Reference-Guide-to-Nearly-100-Tools-for-Improving-Quality-and-Speed-A-Quick-Reference-Guide-to-70-Tools-for-Improving-Quality-and-Speed-by-Michael-L-George.pdf
    • http://muicuiu.dumb1.com/7a02a02a00a06a04/The-Pink-Elephant-by-Vahe-Berberoan.pdf
    • http://muicuiu.dumb1.com/7a02a02a00a05a09/When-Two-Souls-Meet-by-Vahe-Salibian.pdf
    • http://muicuiu.dumb1.com/1a01a08a07a07a08a08/Mausner-amp-Bahn-Epidemiology-An-Introductory-Text-by-Judith-S-Mausner.pdf
    • http://muicuiu.dumb1.com/7a02a02a02a01a00/Student-s-World-Atlas-by-Vahe-Movsessian.pdf
    • http://muicuiu.dumb1.com/7a02a02a02a03a06/When-Two-Souls-Meet-Come-and-Ride-the-Wave-by-Vahe-Salibian.pdf
    • http://muicuiu.dumb1.com/7a02a02a00a04a05/A-Photographic-Journey-of-my-Homeland-Armenia-by-Vahe-Peroomian.pdf
    • http://muicuiu.dumb1.com/7a02a02a02a00a06/Time-The-Silent-Witness-The-People-of-Armen-by-Vahe-Koroghlian.pdf
    • http://muicuiu.dumb1.com/7a02a02a00a09a07/Accountability-Through-Measurement-A-Global-Healthcare-Imperative-by-Vahe-Kazandijan.pdf
    • http://muicuiu.dumb1.com/7a02a02a02a00a01/Ishkhane-Vanay-Ishkhani-Keank-n-U-Gortsuneut-yune-by-Vahe-Tashchean.pdf
    • http://muicuiu.dumb1.com/7a02a02a02a05a02/Daily-Life-in-the-Abyss-Genocide-Diaries-1915-1918-by-Vah-Tachjian.pdf

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