Malicious PDF — malware analysis report

Static analysis result for SHA-256 c08a8bbd6c9c41e8…

MALICIOUS

PDF

19.6 KB Created: 2019-05-01 17:16:23 +01:00 Authoring application: mPDF 5.7
MD5: dd1c2654233995ab534cf341ec22ad55 SHA-1: f96e7b8dd9fc7d65657f28166c91929d7cc3b7fd SHA-256: c08a8bbd6c9c41e8eb29e9f35c3bb6efa8e89a434b8ed854105f9b205f7b7f1b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links, primarily pointing to the domain loaminoo.linkpc.net. This behavior is indicative of a link farm or a mechanism to distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/3098091096096098/Hoodwinked-by-Arthur-Howard.pdf
    • http://loaminoo.linkpc.net/8091094094092/The-Story-of-King-Arthur-and-His-Knights-by-Howard-Pyle.pdf
    • http://loaminoo.linkpc.net/2098099096093091/Waterfront-Fists-And-Others-The-Collected-Fight-Stories-Of-Robert-E-Howard-by-Robert-E-Howard.pdf
    • http://loaminoo.linkpc.net/2098099099098094/Time-Burial-The-Collected-Fantasy-Tales-of-Howard-Wandrei-by-Howard-Wandrei.pdf
    • http://loaminoo.linkpc.net/3091091097091090/Arthur-s-Valentine-Arthur-Adventure-Series-by-Marc-Brown.pdf
    • http://loaminoo.linkpc.net/1096097098096098/Shadow-Kingdoms-The-Weird-Works-of-Robert-E-Howard-1-by-Robert-E-Howard.pdf
    • http://loaminoo.linkpc.net/8092094090098/Linda-Howard-Collection-Heartbreaker-White-Lies-by-Linda-Howard.pdf
    • http://loaminoo.linkpc.net/5095096095098097/Arthur-s-Chicken-Pox-An-Arthur-Adventure-by-Marc-Brown.pdf
    • http://loaminoo.linkpc.net/1091093090091090091/Clark-Howard-s-Living-Large-in-Lean-Times-250-Ways-to-Buy-Smarter-Spend-Smarter-and-Save-Money-by-Clark-Howard.pdf
    • http://loaminoo.linkpc.net/4098098093094093/A-Pacifist-Way-of-Knowing-John-Howard-Yoder-s-Nonviolent-Epistemology-by-John-Howard-Yoder.pdf
    • http://loaminoo.linkpc.net/5093098098090/The-Tragedy-of-Arthur-by-Arthur-Phillips.pdf
    • http://loaminoo.linkpc.net/2092097095099095/Return-of-the-Grudstone-Ghosts-Arthur-Slade-s-Canadian-Chills-1-by-Arthur-Slade.pdf
    • http://loaminoo.linkpc.net/9096097099094092/Arthur-Conan-Doyle-Sherlock-Holmes---Die-Romane-Eine-Studie-in-Scharlachrot---Das-Zeichen-der-Vier---Der-Hund-der-Baskervilles---Das-Tal-des-Grauens-by-Arthur-Conan-Doyle.pdf
    • http://loaminoo.linkpc.net/9099098095096094/Counsels-and-Maxims-The-Essays-of-Arthur-Schopenhauer-by-Arthur-Schopenhauer.pdf
    • http://loaminoo.linkpc.net/6091099091098099/The-Star-The-Collected-Stories-of-Arthur-C-Clarke-3-by-Arthur-C-Clarke.pdf
    • http://loaminoo.linkpc.net/2099094095095092/Arthur-Rackham-Fairy-Book-by-Arthur-Rackham.pdf
    • http://loaminoo.linkpc.net/1096099099097099/Arthur-Rackham-s-Book-of-Pictures-by-Arthur-Rackham.pdf
    • http://loaminoo.linkpc.net/9097094091092092/Arthur-Schnitzler-Four-Major-Plays-by-Arthur-Schnitzler.pdf
    • http://loaminoo.linkpc.net/8090093098092091/The-Sherlock-Holmes-Collection-by-Arthur-Conan-Doyle-by-Arthur-Conan-Doyle.pdf
    • http://loaminoo.linkpc.net/6091099092091096/The-Lion-of-Comarre-amp-Other-Stories-The-Collected-Stories-of-Arthur-C-Clarke-1-by-Arthur-C-Clarke.pdf
    • http://loaminoo.linkpc.net/5095096095098097/Arthur-s-Chicken-Pox-An-Arthur-Adventure-by-Marc-Br

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