Malicious PDF — malware analysis report

Static analysis result for SHA-256 a959162a9e0c372a…

MALICIOUS

PDF

16.8 KB Created: 2019-04-30 04:03:42 +01:00 Authoring application: mPDF 5.7
MD5: f89d5d0dbc211e64b23dd21b0d481c1a SHA-1: 7f564d59a2be60f1f6c428c87b5002ad07a8ab2c SHA-256: a959162a9e0c372a1bc497fa687f2a19a0209597d00509e8c1c265527013329f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, forming a link farm. The primary heuristic indicates this is a 'PDF_SEO_LINK_FARM' attack pattern, designed to drive traffic to external sites. While the specific intent of the linked PDFs is unclear, the sheer volume and structure suggest a malicious attempt to manipulate search results or distribute content through a deceptive link aggregation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/4a07a06a07a06a04/Where-Evil-Waits-Mann-Family-2-by-Kate-Brady.pdf
    • http://muicuiu.dumb1.com/8a09a04a02a04/She-Waits-Kate-Ryan-1-by-Kate-Sweeney.pdf
    • http://muicuiu.dumb1.com/1a01a05a09a08a01a08/Zum-Geburtstag-einen-Mann-JULIA-222010-by-Kate-Hardy.pdf
    • http://muicuiu.dumb1.com/3a03a04a06a08/Buddenbrooks-The-Decline-of-a-Family-by-Thomas-Mann.pdf
    • http://muicuiu.dumb1.com/3a09a04a08a08a07/The-Cinderella-Mission-Family-Secrets-0-5-by-Catherine-Mann.pdf
    • http://muicuiu.dumb1.com/1a04a01a05a08a09/The-Brooklyn-Bridge-The-Story-of-the-World-s-Most-Famous-Bridge-and-the-Remarkable-Family-That-Built-It-by-Elizabeth-Mann.pdf
    • http://muicuiu.dumb1.com/1a00a03a03a02a06a07/Landon-The-Love-Family-5-by-Kate-Allenton.pdf
    • http://muicuiu.dumb1.com/8a01a02/A-God-in-Ruins-Todd-Family-2-by-Kate-Atkinson.pdf
    • http://muicuiu.dumb1.com/4a09a03a04a04a05/A-God-in-Ruins-Todd-Family-2-by-Kate-Atkinson.pdf
    • http://muicuiu.dumb1.com/1a01a00a06a00a03a05/Traumprinz-gesucht-wie-Mann-an-den-Mann-kommt-by-Rolf-Winiarski.pdf
    • http://muicuiu.dumb1.com/3a06a01a00a03a02/Dead-Mann-Running-Hessius-Mann-2-by-Stefan-Petrucha.pdf
    • http://muicuiu.dumb1.com/3a06a04a03a01a03/Things-Happen-That-Way-The-Continuing-Adventures-of-Mark-Vincent-and-Quinton-Mann-Mann-of-My-Dreams-Book-2-by-Tinnean.pdf
    • http://muicuiu.dumb1.com/4a00a08a04a07a06/Family-Fallacies-Kate-Huntington-Mysteries-3-by-Kassandra-Lamb.pdf
    • http://muicuiu.dumb1.com/7a05a04a02a01a01/Holyoke-The-Skinner-Family-and-Wistariahurst-by-Kate-Navarra-Thibodeau.pdf
    • http://muicuiu.dumb1.com/7a09a03a02a04a09/Evil-He-Who-Evil-Thinks-A-Fictional-Memoir-of-Isabel-Capet-by-Beverley-Black.pdf
    • http://muicuiu.dumb1.com/4a07a02a09a05/Sense-of-Evil-Bishop-Special-Crimes-Unit-6-Evil-3-by-Kay-Hooper.pdf
    • http://muicuiu.dumb1.com/2a01a03a08a05a04/Evil-Runs-Evil-World-1-by-Jonas-Walker.pdf
    • http://muicuiu.dumb1.com/2a04a06a07a02a02/Fear-No-Evil-No-Evil-Trilogy-3-by-Allison-Brennan.pdf
    • http://muicuiu.dumb1.com/3a04a05a09a05a02/Evil-Unto-Evil-Rune-Breaker-4-by-Landon-Porter.pdf
    • http://muicuiu.dumb1.com/6a01a06a01a05a00/Where-Somebody-Waits-by-Margaret-Kaufman.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.