Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b22ca0aa0c96473…

MALICIOUS

PDF

13.9 KB Created: 2019-05-01 17:08:00 +01:00 Authoring application: mPDF 5.7
MD5: b5a48692e1d75ee38782b101745d7ee2 SHA-1: 6125253a516f87ef5c1af9b2a01c1d85fc2d0f6a SHA-256: 6b22ca0aa0c96473cea11ce8cd89ab7faab71cb76fb0e3d9c47502c49ed88a3f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various websites, suggesting an attempt to direct users to potentially malicious content or phishing pages. The ML classifier also flagged this PDF as malicious with high confidence. 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/1091099090092097094/Santa-Claus-Is-Comin-to-Town-by-J-Fred-Coots.pdf
    • http://loaminoo.linkpc.net/1091099090091099098/Here-Comes-Santa-Claus-by-Gene-Autry.pdf
    • http://loaminoo.linkpc.net/1096099093098095/Is-there-a-Santa-Claus-by-Jacob-A-Riis.pdf
    • http://loaminoo.linkpc.net/5090092092095091/I-Believe-in-Santa-Claus-by-Diane-Adamson.pdf
    • http://loaminoo.linkpc.net/8091092097099093/Santa-Claus-Exposed-by-Guy-Incognito.pdf
    • http://loaminoo.linkpc.net/9091098099092091/Carving-Santa-and-Mrs-Claus-by-Ken-Blomquist.pdf
    • http://loaminoo.linkpc.net/1097094094094/The-Santa-Claus-Bank-Robbery-by-A-C-Greene.pdf
    • http://loaminoo.linkpc.net/1090094091095096096/Strapse-f-r-Santa-Claus-by-Alex-Horn.pdf
    • http://loaminoo.linkpc.net/6093091090090/A-Kidnapped-Santa-Claus-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/1091099090090099092/A-Kidnapped-Santa-Claus-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/1091095096090091/Santa-Claus-and-Little-Sister-by-Brian-G-Snow.pdf
    • http://loaminoo.linkpc.net/1091099090091095090/The-Year-Without-a-Santa-Claus-by-Phyllis-McGinley.pdf
    • http://loaminoo.linkpc.net/5090092093099093/Yes-Virginia-There-Is-a-Santa-Claus-by-Chris-Plehal.pdf
    • http://loaminoo.linkpc.net/1091099090090094098/Santa-Claus-The-King-of-the-Elves-by-B-C-Chase.pdf
    • http://loaminoo.linkpc.net/2099098099098097/The-Life-and-Adventures-of-Santa-Claus-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/3099096099092094/When-a-Gargoyle-Pretends-to-be-Santa-Claus-Gargoyles-4-by-E-A-Price.pdf
    • http://loaminoo.linkpc.net/5090091099091093/A-Very-Merry-Santa-Claus-Story-by-Joanne-Barkan.pdf
    • http://loaminoo.linkpc.net/1093098091092093/The-Life-and-Adventures-of-Santa-Claus-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/3097093099098096/Kissing-Santa-Claus-Men-of-Hawaii-3-by-Donna-Kauffman.pdf
    • http://loaminoo.linkpc.net/1091099090092096097/The-Bear-Santa-Claus-Forgot-by-Diana-Kimpton.pdf

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