Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fc3302f66664518…

MALICIOUS

PDF

14.2 KB Created: 2019-05-01 18:05:33 +01:00 Authoring application: mPDF 5.7
MD5: b5c44cbb90f9fad35deff3457a60ec22 SHA-1: 12f1d102b9b489b45de1fc8506f2625facf57b1f SHA-256: 7fc3302f6666451894cbafed5915f99b35546eeaa226a91992467bcf8a7cd8f5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly suggests maliciousness. While the specific intent of the link farm is unclear without further analysis of the linked content, it is likely used for SEO manipulation or to distribute further malicious payloads. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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://loaminoo.linkpc.net/2091094099092093/The-Prophecy-Keepers-The-Prophecy-Keepers-1-by-Melaine-Bryant.pdf
    • http://loaminoo.linkpc.net/4091099093091099/The-Charm-of-Urizen-The-Prophecy-Keepers-2-by-Melaine-Bryant.pdf
    • http://loaminoo.linkpc.net/4090094097096094/The-Keepers-The-Keepers-Trilogy-1-by-J-L-Block.pdf
    • http://loaminoo.linkpc.net/3091090099097094/Prophecy-s-Language-Prophecy-4-by-Brenda-Dyer.pdf
    • http://loaminoo.linkpc.net/4092091096092/Love-s-Prophecy-Prophecy-1-by-Brenda-Dyer.pdf
    • http://loaminoo.linkpc.net/1093091099094094/Love-s-Prophecy-Prophecy-1-by-Brenda-Dyer.pdf
    • http://loaminoo.linkpc.net/2095098099098093/Element-Keepers-Light-Element-Keepers-1-by-Isaac-Hamlet.pdf
    • http://loaminoo.linkpc.net/2092091097091091/Immortal-Prophecy-The-Immortal-Prophecy-Saga-1-by-Samantha-Adams.pdf
    • http://loaminoo.linkpc.net/2094099093090097/Prophecy-of-the-Flame---Book-Two-Prophecy-of-the-Flame-2-by-Lynn-Hardy.pdf
    • http://loaminoo.linkpc.net/2097096090097098/The-Paladin-Prophecy-The-Paladin-Prophecy-1-by-Mark-Frost.pdf
    • http://loaminoo.linkpc.net/3092098098098/The-Celestine-Prophecy-Celestine-Prophecy-1-by-James-Redfield.pdf
    • http://loaminoo.linkpc.net/5097098093097097/Keepers-of-Arden-The-Brothers-Volume-1-Keepers-of-Arden-The-Brothers-1-by-L-K-Evans.pdf
    • http://loaminoo.linkpc.net/4090098090098096/The-Box-and-the-Dragonfly-The-Keepers-1-by-Ted-Sanders.pdf
    • http://loaminoo.linkpc.net/3097098094099093/Keepers-by-Gary-A-Braunbeck.pdf
    • http://loaminoo.linkpc.net/5091094093092094/The-Brothers-Keepers-by-N-L-B-Horton.pdf
    • http://loaminoo.linkpc.net/3098090092094093/The-Box-and-the-Dragonfly-The-Keepers-1-by-Ted-Sanders.pdf
    • http://loaminoo.linkpc.net/3093093095090092/Finders-Keepers-by-N-R-Walker.pdf
    • http://loaminoo.linkpc.net/2091090094098094/Finders-Keepers-by-Lee-G-Cantwell.pdf
    • http://loaminoo.linkpc.net/4090091099097095/Dragon-Keepers-III-by-Bruce-Goldwell.pdf
    • http://loaminoo.linkpc.net/2094090091097093/The-Keepers-of-the-House-by-Shirley-Ann-Grau.pdf
    • http://loaminoo.linkpc.net/4090098090098096/The-Box-and-the

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