Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2ada7f9a506a008…

MALICIOUS

PDF

15.1 KB Created: 2019-04-30 04:55:31 +01:00 Authoring application: mPDF 5.7
MD5: d2ca559ef70d82dc4b75a4db99952fde SHA-1: ea48e96fa36c7795efe26fa82357517c831be1b5 SHA-256: c2ada7f9a506a00857a7aa6f06b8f8d5a80acec1683d31905854f568bb4a06dc
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the specific intent of the links is unclear, the sheer volume and the ML detection suggest a malicious purpose, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/1098091092099091/Kristy-s-Big-Day-The-Baby-Sitters-Club-6-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/1091096099097095096/Kristy-and-the-Worst-Kid-Ever-The-Baby-Sitters-Club-62-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/1091096099096097096/Kristy-for-President-The-Baby-Sitters-Club-53-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/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/2090098093096096/Kristy-s-Great-Idea-The-Baby-Sitters-Club-1-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/3098099096093094/The-Summer-Before-The-Baby-Sitters-Club-0-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/4095091093094097/Stacey-s-Emergency-The-Baby-Sitters-Club-43-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/4091098092090098/Dawn-and-the-Impossible-Three-The-Baby-Sitters-Club-5-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/7093098091096092/Claudia-and-the-Bad-Joke-The-Baby-Sitters-Club-19-by-Ann-M-Martin.pdf
    • http://loaminoo.linkpc.net/8091094090096099/Stacey-s-Ex-Best-Friend-The-Baby-Sitters-Club-51-by-Ann-M-Martin.pdf

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