Malicious PDF — malware analysis report

Static analysis result for SHA-256 094ff2c872ebdce0…

MALICIOUS

PDF

21.5 KB Created: 2019-05-02 19:28:25 +01:00 Authoring application: mPDF 5.7
MD5: 9ee95999373463a434e9f53fcdff84f4 SHA-1: 8d7ce3a3b2c3f13e629cd506338811f9f21fff88 SHA-256: 094ff2c872ebdce0be8eb537d4ecb5a2971f0af93f761f49676c417b2e367f91
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing indicate a high likelihood of malicious intent.

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/4094095098099092/The-Big-Book-Of-Time-Travel-Romance-Includes-After-Cilmeri-0-5-Lost-Highlander-1-The-McKinnon-Legends-1-Out-of-Time-1-Time-Walkers-1-by-Sarah-Woodbury.pdf
    • http://loaminoo.linkpc.net/4094095098099091/Exiles-in-Time-After-Cilmeri-5-by-Sarah-Woodbury.pdf
    • http://loaminoo.linkpc.net/3092093090097090/Crossroads-in-Time-After-Cilmeri-3-by-Sarah-Woodbury.pdf
    • http://loaminoo.linkpc.net/4094095093092092/Castaways-in-Time-After-Cilmeri-6-by-Sarah-Woodbury.pdf
    • http://loaminoo.linkpc.net/4094095093092093/Winds-of-Time-After-Cilmeri-1-5-by-Sarah-Woodbury.pdf
    • http://loaminoo.linkpc.net/3092091092090096/Prince-of-Time-After-Cilmeri-2-by-Sarah-Woodbury.pdf
    • http://loaminoo.linkpc.net/8091097091093092/The-Time-Machine-The-Original-Time-Travel-Story-A-Short-Science-Fiction-Novel-about-Time-Travel-by-H-G-Wells.pdf
    • http://loaminoo.linkpc.net/4093098099093093/Justice-for-all-Time-a-time-travel-romance-by-Kit-Cole.pdf
    • http://loaminoo.linkpc.net/4099099099098093/Time-Trip-A-Time-After-Time-Reincarnation-Novella-Time-After-Time-Reincarnation-Lives-Book-1-by-Wendy-Godding.pdf
    • http://loaminoo.linkpc.net/1096092098093090/The-Fine-Art-of-Deception-A-Time-Travel-Romance-Book-Series-Book-1-by-Alyssa-Richards.pdf
    • http://loaminoo.linkpc.net/4094098095095099/Time-Travel-and-Warp-Drives-A-Scientific-Guide-to-Shortcuts-through-Time-and-Space-by-Allen-Everett.pdf
    • http://loaminoo.linkpc.net/1093093097093096/The-Mists-of-Time-Da-Vinci-Time-Travel-4-by-Susan-Squires.pdf
    • http://loaminoo.linkpc.net/1096098094090098/The-Reluctant-Time-Traveler-Time-Travel-1-by-Lynda-Eymann.pdf
    • http://loaminoo.linkpc.net/5097094091098092/The-Time-Machine-The-Original-Time-Travel-Story-by-H-G-Wells.pdf
    • http://loaminoo.linkpc.net/3092091097093097/The-Best-Time-Travel-Stories-of-All-Time-by-Barry-N-Malzberg.pdf
    • http://loaminoo.linkpc.net/3096091092098/Time-Regained-In-Search-of-Lost-Time-7-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/8098099098091092/Time-Regained-In-Search-of-Lost-Time-vol-7-by-Marcel-Proust.pdf
    • http://loaminoo.linkpc.net/2097094092098099/Time-Walkers-2-Book-Bundle-The-Legend-of-the-Bloodstone-Return-of-the-Pale-Feather-by-E-B-Brown.pdf
    • http://loaminoo.linkpc.net/4093095090098095/The-Future-Memoir-of-Ann-Jones-A-Time-Travel-Romance-with-a-Splash-of-Magic-by-Alex-Bailey.pdf
    • http://loaminoo.linkpc.net/3092091099098098/Three-in-Time-The-Winds-of-Time-The-Year-of-the-Quiet-Sun-There-Will-Be-Time-by-Chad-Oliver.pdf