Malicious PDF — malware analysis report

Static analysis result for SHA-256 52d5585364e8289c…

MALICIOUS

PDF

21.6 KB Created: 2019-05-02 05:26:50 +01:00 Authoring application: mPDF 5.7
MD5: f6926860e0167534542215367d316773 SHA-1: 5039770c44d0e42dd98bd0ed75adb08ffa31c548 SHA-256: 52d5585364e8289c07a6298349509b13cbde4b4288af47db2398748e93ef55d3
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on kiteeearpdf.myhome.cx. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern appears to be a link farm designed to redirect users to potentially malicious content.

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://kiteeearpdf.myhome.cx/1f211f216f210f212f218f215/TKKG-Mystery-of-the-Mayan-Treasure-by-Tivola-Electronic-Publishing.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f210f212f213f218/Tkkg-Jennifer-is-Missing-by-Tivola-Electronic-Publishing.pdf
    • http://kiteeearpdf.myhome.cx/4f212f212f212f211f213/Treasure-of-Egypt-Humorous-Mystery-Book-1---Treasure-of-the-Ancients-by-Barbara-Ivie-Green.pdf
    • http://kiteeearpdf.myhome.cx/6f219f213f216f210f212/Lassie-Treasure-at-Eagle-Mountain-by-Lion-Publishing.pdf
    • http://kiteeearpdf.myhome.cx/1f218f214f214f212f217/The-Mystery-of-the-Vanishing-Treasure-Alfred-Hitchcock-and-The-Three-Investigators-5-by-Robert-Arthur.pdf
    • http://kiteeearpdf.myhome.cx/9f214f214f215f217f216/The-Mayan-Trilogy-by-Steve-Alten.pdf
    • http://kiteeearpdf.myhome.cx/6f215f214f214f218f210/Mayan-Equinox-by-Keith-Jones.pdf
    • http://kiteeearpdf.myhome.cx/3f218f216f210f217f216/The-Suitor-s-Treasure-Greatest-Treasure-2-by-David-DeVowe.pdf
    • http://kiteeearpdf.myhome.cx/3f213f215f216f213f219/The-Mayan-Prophecy-The-Domain-Trilogy-1-by-Steve-Alten.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f210f212f213f212/Ufos-in-Bad-Finkenstein-Ein-Fall-f-r-TKKG-15-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f210f213f210f211/TKKG---Nonstop-in-die-Raketenfalle-Band-102-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f210f212f216f216/Bestien-in-der-Finsternis-Ein-Fall-f-r-TKKG-Bd-39-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/6f214f216f213f217f214/Bombe-an-Bord-Ein-Fall-f-r-TKKG-40-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/9f215f212f218f212f216/Hotel-in-Flammen-Ein-Fall-f-r-TKKG-Bd-37-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/1f218f216f211f217/Return-of-the-Children-of-Light-Incan-and-Mayan-Prophecies-for-a-New-World-by-Judith-Bluestone-Polich.pdf
    • http://kiteeearpdf.myhome.cx/1f211f211f217f215f218f217/TKKG---Sammelband-11-In-den-Klauen-des-Tigers-Verrat-im-H-llental-Unternehmen-Gr-ne-H-lle-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/5f211f216f211f212/The-Children-of-the-Maize-Seven-Ancient-Mayan-Secrets-to-Spiritual-Enlightenment-Peace-and-Happiness-The-Path-of-Life-Series-Book-1-by-Arnulfo-G-Oxlaj.pdf
    • http://kiteeearpdf.myhome.cx/1f211f217f218f213f219f216/TKKG-Sammelband-18-Frische-Spur-nach-70-Jahren-Die-gef-hrliche-Zeugin-verschwindet-Die-Entf-hrung-in-der-Mondscheingasse-by-Stefan-Wolf.pdf
    • http://kiteeearpdf.myhome.cx/4f217f214f210f211f218/The-Electronic-Elephant-by-Dan-Jacobson.pdf
    • http://kiteeearpdf.myhome.cx/4f217f218f217f210f218/Following-Foo-The-Electronic-Adventures-of-the-Chestnut-Man-by-B-D-Wong.pdf
    • http://kiteeearpdf.myhome.cx/1f218f214f214f212f217/The-Mystery-of-the-Vanishing-Treasure-Alfred-Hitchcock-and-The-Three-Investigators