Malicious PDF — malware analysis report

Static analysis result for SHA-256 498f86b07d265ce7…

MALICIOUS

PDF

20.2 KB Created: 2019-05-24 18:01:47 +01:00 Authoring application: mPDF 5.7
MD5: 9ea4653287ff25081132f033235f3de2 SHA-1: b10aaa780f4cf61ef7a0cdfe96c3c819a8bfe127 SHA-256: 498f86b07d265ce74b2b0b69cdfd6f8cfc55757cfe6434c8ce80e92ad4174f0e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, all hosted on the same domain. This behavior is indicative of a link farm or a content distribution scheme designed to drive traffic. While no scripts were extracted, the PDF_SEO_LINK_FARM heuristic strongly suggests this malicious intent. The ML classifier also flagged the document with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://cefasfese.4pu.com/4739737735733736/The-Struggles-of-Johnny-Cannon-by-Isaiah-Campbell.pdf
    • http://cefasfese.4pu.com/1735731736738733/The-Auspicious-Troubles-of-Chance-The-Auspicious-Troubles-of-Love-1-by-Charlie-Cochet.pdf
    • http://cefasfese.4pu.com/2736734736734736/The-Johnny-Crow-Omnibus-Featuring-Johnny-Crow-s-Garden-Johnny-Crow-s-Party-and-Johnny-Crow-s-New-Garden-by-L-Leslie-Brooke.pdf
    • http://cefasfese.4pu.com/8730735735735734/The-Appalling-Political-Career-of-Luce-Cannon-The-Sad-Tale-of-of-how-Luce-Cannon-Overreaches-and-is-hoist-with-his-own-Petard-by-J-D-Stewart.pdf
    • http://cefasfese.4pu.com/4736732734733732/Handsome-Johnny-The-Life-and-Death-of-Johnny-Rosselli-Gentleman-Gangster-Hollywood-Producer-CIA-Assassin-by-Lee-Server.pdf
    • http://cefasfese.4pu.com/1732738739730732/Code-Name-Johnny-Walker-The-Extraordinary-Story-of-the-Iraqi-Who-Risked-Everything-to-Fight-with-the-U-S-Navy-SEALs-by-Johnny-Walker.pdf
    • http://cefasfese.4pu.com/2737737735739734/Isaiah-s-Haven-Legacy-2-by-N-J-Walters.pdf
    • http://cefasfese.4pu.com/6732737734738730/The-Roots-of-Romanticism-by-Isaiah-Berlin.pdf
    • http://cefasfese.4pu.com/1730736737739732735/Under-the-Western-Sky-Essays-on-the-Fiction-and-Music-of-Willy-Vlautin-Neil-Campbell-Editor-by-Neil-Campbell.pdf
    • http://cefasfese.4pu.com/5731738731732731/A-Time-of-Troubles-by-Pieter-Van-Raven.pdf
    • http://cefasfese.4pu.com/1730735735732739739/Bubbles-and-Troubles-by-Flint-Lock.pdf
    • http://cefasfese.4pu.com/3733736737737737/My-Troubles-With-Women-by-Robert-Crumb.pdf
    • http://cefasfese.4pu.com/2737736734733/Herbie-s-Troubles-by-Carol-Chapman.pdf
    • http://cefasfese.4pu.com/1730733737735736/The-Proper-Study-of-Mankind-by-Isaiah-Berlin.pdf
    • http://cefasfese.4pu.com/1731736733731736734/Letters-1928-1946-by-Isaiah-Berlin.pdf
    • http://cefasfese.4pu.com/1730735736739739736/Herzl-s-Political-Activity-by-Isaiah-Friedman.pdf
    • http://cefasfese.4pu.com/1732735735739738/Isaiah-Berlin-A-Life-by-Michael-Ignatieff.pdf
    • http://cefasfese.4pu.com/2735731737734738/Making-Sense-Of-The-Troubles-by-David-McKittrick.pdf
    • http://cefasfese.4pu.com/9737733733730732/Taboo-Troubles-Bundle-Vol-1-by-Rayven-Mallory.pdf
    • http://cefasfese.4pu.com/7736731731739737/Springs-of-Deliverance-Isaiah-Cadre-3-by-Alyce-Kay-Ruckelshaus.pdf
    • http://cefasfese.4pu.com/473673273

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