Malicious PDF — malware analysis report

Static analysis result for SHA-256 a16eeb28277643a2…

MALICIOUS

PDF

16.1 KB Created: 2019-05-06 16:55:55 +01:00 Authoring application: mPDF 5.7
MD5: 3d49ff159a6e03624b3219a6b68a82e3 SHA-1: 83468c11d44cd06ba8d4b0953352a88cbd0eafa7 SHA-256: a16eeb28277643a229337e1178134d4fccd02d348e76b7360fa33f663dc00164
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure itself suggests a malicious intent to drive traffic to a suspicious domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/3a04a05a00a08a09/Rocky-Mountain-Dawn-Rocky-Mountain-Bride-1-by-Lee-Savino.pdf
    • http://muicuiu.dumb1.com/4a04a00a05a08a06/Rocky-Mountain-Home-Six-Pack-Ranch-11-Rocky-Mountain-House-16-by-Vivian-Arend.pdf
    • http://muicuiu.dumb1.com/2a04a03a07a00a05/Rocky-Mountain-Angel-Six-Pack-Ranch-4-Rocky-Mountain-House-4-by-Vivian-Arend.pdf
    • http://muicuiu.dumb1.com/4a01a04a09a08a07/Rocky-Mountain-Cowboy-Christmas-Rocky-Mountain-Cowboys-1-by-Katie-Ruggle.pdf
    • http://muicuiu.dumb1.com/3a00a07a03a03a05/Rocky-Mountain-Match-Rocky-Mountain-1-by-Pamela-Nissen.pdf
    • http://muicuiu.dumb1.com/2a05a06a09a01/Rocky-Mountain-Redemption-Rocky-Mountain-2-by-Pamela-Nissen.pdf
    • http://muicuiu.dumb1.com/3a04a08a05a03a04/Rocky-Mountain-Cowboy-by-S-A-Monk.pdf
    • http://muicuiu.dumb1.com/8a02a01a00a02a05/Rocky-Mountain-Kids-by-Linda-Goyette.pdf
    • http://muicuiu.dumb1.com/3a03a06a02a06a04/On-the-Chase-Rocky-Mountain-K9-Unit-2-by-Katie-Ruggle.pdf
    • http://muicuiu.dumb1.com/8a00a01a01a05/Extraordinary-Women-of-the-Rocky-Mountain-West-by-Tim-Blevins.pdf
    • http://muicuiu.dumb1.com/4a01a02a08a00a09/Rocky-Mountain-Man-Hunt-Collection-Box-Set-9-by-Taylor-Brooks.pdf
    • http://muicuiu.dumb1.com/7a03a00a06a04/Bats-of-the-Rocky-Mountain-West-by-Rick-A-Adams.pdf
    • http://muicuiu.dumb1.com/4a04a06a01a02a07/Honor-s-Reward-Rocky-Mountain-Legacy-5-by-Kristen-Heitzmann.pdf
    • http://muicuiu.dumb1.com/2a03a05a00a01a07/Rocky-Mountain-Oasis-The-Shepherd-s-Heart-1-by-Lynnette-Bonner.pdf
    • http://muicuiu.dumb1.com/4a04a06a01a08a08/Honor-s-Pledge-Rocky-Mountain-Legacy-1-by-Kristen-Heitzmann.pdf
    • http://muicuiu.dumb1.com/2a02a03a00a07a07/Promise-Me-Tomorrow-Rocky-Mountain-Memories-4-by-Lori-Wick.pdf
    • http://muicuiu.dumb1.com/1a07a07a04a08a00/Rocky-Mountain-Freedom-Six-Pack-Ranch-6-by-Vivian-Arend.pdf
    • http://muicuiu.dumb1.com/1a08a03a09a08a05/Rocky-Mountain-Haven-Six-Pack-Ranch-2-by-Vivian-Arend.pdf
    • http://muicuiu.dumb1.com/3a02a05a09a09a00/Rocky-Mountain-Rebel-Six-Pack-Ranch-5-by-Vivian-Arend.pdf
    • http://muicuiu.dumb1.com/2a08a09a08a09a06/The-Loner-s-Thanksgiving-Wish-Rocky-Mountain-Heirs-5-by-Roxanne-Rustand.pdf
    • http://muicuiu.dumb1.com/8a00a01a01a05/Extraordinary-Women-of-the-Rocky-Mountain-West-by-

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