Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f909b19709ae06f…

MALICIOUS

PDF

15.1 KB Created: 2019-05-02 14:17:53 +01:00 Authoring application: mPDF 5.7
MD5: f78fe5f3ed3315f893a2b27ab68b8e1d SHA-1: 710aed8eb15d3870658fd28d3845dd6bd4eee2c0 SHA-256: 0f909b19709ae06f9cec40e2cabf3dc4725241952d8c78833bb186e6d82f6b7e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, likely intended to manipulate search engine results or distribute further content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of external links suggests a malicious intent to redirect users to potentially harmful sites.

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/1091096099096097096/Kristy-for-President-The-Baby-Sitters-Club-53-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1098091092099091/Kristy-s-Big-Day-The-Baby-Sitters-Club-6-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1091096099097095096/Kristy-and-the-Worst-Kid-Ever-The-Baby-Sitters-Club-62-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1091096099097095092/Kristy-in-Charge-The-Baby-Sitters-Club-122-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/2090098093096096/Kristy-s-Great-Idea-The-Baby-Sitters-Club-1-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1091096099096098091/Kristy-and-the-Dirty-Diapers-The-Baby-Sitters-Club-89-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/4099098096094090/Kristy-and-the-Secret-of-Susan-The-Baby-Sitters-Club-32-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1091096099098099097/Kristy-and-the-Cat-Burglar-Baby-Sitters-Club-Mystery-36-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1091096099097095099/Kristy-and-the-Missing-Child-Baby-Sitters-Club-Mystery-4-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1090094096099097095/Le-Club-des-Baby-Sitters-Tome-1-L-id-e-g-niale-de-Kristy-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/2090098096093090/Baby-Sitters-Beware-Baby-Sitters-Club-Super-Mystery-2-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/8091093099098093/Stacey-vs-the-BSC-The-Baby-Sitters-Club-83-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/8091093099098094/Stacey-s-Lie-The-Baby-Sitters-Club-76-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/3098099096093094/The-Summer-Before-The-Baby-Sitters-Club-0-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/8091093099091091/Welcome-Back-Stacey-The-Baby-Sitters-Club-28-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/4095091093094097/Stacey-s-Emergency-The-Baby-Sitters-Club-43-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/7093098091096092/Claudia-and-the-Bad-Joke-The-Baby-Sitters-Club-19-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/8091094090090095/Stacey-and-the-Cheerleaders-The-Baby-Sitters-Club-70-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/4091098094091094/Claudia-and-Mean-Janine-The-Baby-Sitters-Club-7-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/8091093099098091/Stacey-s-Big-Crush-The-Baby-Sitters-Club-65-by-Ann-M-Martin.pdf

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