Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6999d9c53b923aa…

MALICIOUS

PDF

18.2 KB Created: 2019-05-02 19:30:10 +01:00 Authoring application: mPDF 5.7
MD5: ec239ff0d4142b6f97f330418983a123 SHA-1: 28687533e798a36397a7178026ad391771e42e4b SHA-256: e6999d9c53b923aacbc52e75606cbb27f7866755fd424c2394b872a1986380f0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, forming a link farm. This is indicative of a SEO poisoning or traffic redirection scheme. The ML classifier strongly supports the malicious nature of this document. No scripts were extracted, and the document body was heavily corrupted, limiting further analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/7098094097094093/John-Bley-of-East-Leake-amp-London-1674-1731-Distiller-amp-Benefactor-by-Keith-Hodgkinson.pdf
    • http://loaminoo.linkpc.net/3092093097094096/Beyond-the-Tower-A-History-of-East-London-by-John-Marriott.pdf
    • http://loaminoo.linkpc.net/4093098098098095/Far-Flung-Floyd-Keith-Floyd-s-Guide-To-South-East-Asian-Food-by-Keith-Floyd.pdf
    • http://loaminoo.linkpc.net/5095095091099096/Family-and-Kinship-in-East-London-by-Michael-Young.pdf
    • http://loaminoo.linkpc.net/5090099095098095/A-History-of-French-Louisiana-The-Company-of-the-Indies-1723-1731-by-Marcel-Giraud.pdf
    • http://loaminoo.linkpc.net/3099099094092/East-of-Eden-by-John-Steinbeck.pdf
    • http://loaminoo.linkpc.net/6095097099092091/East-Of-Eden-by-John-Steinbeck.pdf
    • http://loaminoo.linkpc.net/2095090099095099/East-of-Eden-by-John-Steinbeck.pdf
    • http://loaminoo.linkpc.net/4093095096099098/East-of-Los-Angeles-by-John-Brantingham.pdf
    • http://loaminoo.linkpc.net/4091090090092090/East-of-Eden-by-John-Steinbeck.pdf
    • http://loaminoo.linkpc.net/1096095091092/The-Rain-John-Wells-3-by-Keith-Peterson.pdf
    • http://loaminoo.linkpc.net/4098097096093095/Keith-County-Journal-by-John-Janovy.pdf
    • http://loaminoo.linkpc.net/7095090093093090/East-of-Eden-The-Wayward-Bus-by-John-Steinbeck.pdf
    • http://loaminoo.linkpc.net/1094092095094095/How-to-Be-Idle-by-Tom-Hodgkinson.pdf
    • http://loaminoo.linkpc.net/3091099099098091/How-To-Be-Free-by-Tom-Hodgkinson.pdf
    • http://loaminoo.linkpc.net/9095096098096099/The-East-Lancashire-Regiment-1855-1958-by-John-Downham.pdf
    • http://loaminoo.linkpc.net/2091090097099091/Oregon-s-Dry-Side-Exploring-East-of-the-Cascade-Crest-by-Alan-D-St-John.pdf
    • http://loaminoo.linkpc.net/3099092090093091/The-Buddha-in-the-Machine-Art-Technology-and-the-Meeting-of-East-and-West-by-R-John-Williams.pdf
    • http://loaminoo.linkpc.net/7094097097095096/Articles-on-Anarcho-Primitivists-Including-John-Zerzan-John-Moore-Anarchist-Derrick-Jensen-Fredy-Perlman-Andy-Hurley-David-Watson-Anarchist-Thomas-Toivonen-Ted-Kaczynski-Kevin-Tucker-Lierre-Keith-Istva-N-CS-Bartos-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/4095094093099093/Spilt-Milk-by-Amanda-Hodgkinson.pdf
    • http://loaminoo.linkpc.net/1096095091092/The-Rain-John-Wells-3-by

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