Malicious PDF — malware analysis report

Static analysis result for SHA-256 0baeadaff7803a99…

MALICIOUS

PDF

17.8 KB Created: 2019-05-01 17:21:39 +01:00 Authoring application: mPDF 5.7
MD5: 26c1a2f13bb21a8149d86775684f4858 SHA-1: 7a2b39db0b8a48827e61b3089c78aae3cc55dc81 SHA-256: 0baeadaff7803a99fe68701715173dd7d437f5f5fcda98380f5d26367ec0e2b7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently flagged as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO manipulation or to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/6091094090097092/Kill-or-Cure-Edwina-Crusoe-6-by-Mary-Kittredge.pdf
    • http://loaminoo.linkpc.net/6091093099096095/Cadaver-Edwina-Crusoe-3-by-Mary-Kittredge.pdf
    • http://loaminoo.linkpc.net/4098098090092094/To-Kill-or-Cure-Matthew-Bartholomew-13-by-Susanna-Gregory.pdf
    • http://loaminoo.linkpc.net/3097095091099098/Alzheimer-s-Disease-What-If-There-Was-a-Cure-The-Story-of-Ketones-by-Mary-T-Newport.pdf
    • http://loaminoo.linkpc.net/9096092096093/A-Guide-To-To-Kill-A-Mockingbird-by-Mary-Hartley.pdf
    • http://loaminoo.linkpc.net/2097099094093094/Thou-Shalt-Not-Kill-by-Mary-S-Ryzuk.pdf
    • http://loaminoo.linkpc.net/5093099091095097/Robinson-Crusoe-En-espa-ol-Vida-y-extraordinarias-y-portentosas-aventuras-de-Robinson-Crusoe-de-York-navegante-con-24-ilustraciones-pr-logo-notas-y-bigrafia-by-Daniel-Defoe.pdf
    • http://loaminoo.linkpc.net/2099097096095095/The-Novel-Cure-From-Abandonment-to-Zestlessness-751-Books-to-Cure-What-Ails-You-by-Ella-Berthoud.pdf
    • http://loaminoo.linkpc.net/6091093099098098/Robinson-Crusoe-The-Complete-Story-of-Robinson-Crusoe-by-Dan-Larsen.pdf
    • http://loaminoo.linkpc.net/6091093098092094/Robinson-Crusoe-amp-The-Further-Adventures-of-Robinson-Crusoe-by-Daniel-Defoe.pdf
    • http://loaminoo.linkpc.net/3099093099096090/The-Ambassador-by-Edwina-Currie.pdf
    • http://loaminoo.linkpc.net/3099093099095095/She-s-Leaving-Home-by-Edwina-Currie.pdf
    • http://loaminoo.linkpc.net/3090092091093091/Scout-Atticus-and-Boo-A-Celebration-of-Fifty-Years-of-quot-To-Kill-a-Mockingbird-quot-by-Mary-McDonagh-Murphy.pdf
    • http://loaminoo.linkpc.net/3091093097092/Murder-in-an-English-Village-Beryl-and-Edwina-Mystery-1-by-Jessica-Ellicott.pdf
    • http://loaminoo.linkpc.net/3092091091094096/Dreaming-Darkly-by-Caitlin-Kittredge.pdf
    • http://loaminoo.linkpc.net/4091099091095092/All-You-Need-Is-Kill-Vol-1-All-You-Need-Is-Kill-1-by-Ryosuke-Takeuchi.pdf
    • http://loaminoo.linkpc.net/4096098093097091/The-Last-Best-Place-A-Montana-Anthology-by-William-Kittredge.pdf
    • http://loaminoo.linkpc.net/2098095092094097/The-Power-Between-Love-amp-Evil-by-Tony-Kittredge.pdf
    • http://loaminoo.linkpc.net/1093095092091099/Pure-Blood-Nocturne-City-2-by-Caitlin-Kittredge.pdf
    • http://loaminoo.linkpc.net/2092090090092090/Dark-Days-Black-London-6-by-Caitlin-Kittredge.pdf

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