Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea25e0bb7497a2a8…

MALICIOUS

PDF

15.5 KB Created: 2019-05-02 17:43:44 +01:00 Authoring application: mPDF 5.7
MD5: 5a6f40f4768a69b17dbef35c81a345ac SHA-1: 49e1e9403542cb970b4cd39350c197a309fae252 SHA-256: ea25e0bb7497a2a866a9cb3c4c5dd07001a3445a30522ec22a8193d4642e6b35
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing:Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO poisoning or to redirect users to malicious content. The URLs are hosted on a dynamic DNS domain, suggesting an attempt to obscure the true origin of the content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/5097092091090091/ULYSSES---JAMES-JOYCE-WITH-NOTES-BIOGRAPHY-ILLUSTRATED-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/9098095092096092/Ulysses-by-James-Joyce-Illustrated-Delphi-Parts-Edition-James-Joyce-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/5095091090093098/Ulysses-By-James-Joyce-Illustrated---Original-amp-Unabridged-Free-Audiobook-Inside-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/1090094091098099091/ULYSSES-Optimized-for-ebook-Illustrated-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/8090092099098098/Ulysses-Color-Illustrated-Formatted-for-E-Readers-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/7095090096096091/Dubliners-By-James-Joyce-Illustrated-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/1093097095091092/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/6095090098097093/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/8092098097091092/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/9099098091093090/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/7091096098091094/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/1090097095092095095/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/8095090091093093/Ulysses-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/1091095094094099099/Ulysses-With-Linked-Table-of-Contents-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/7094096095095094/Ulysses-20th-Century-Fiction-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/8092092090090/The-Most-Dangerous-Book-The-Battle-for-James-Joyce-s-Ulysses-by-Kevin-Birmingham.pdf
    • http://loaminoo.linkpc.net/2098091097095099/The-Most-Dangerous-Book-The-Battle-for-James-Joyce-s-Ulysses-by-Kevin-Birmingham.pdf
    • http://loaminoo.linkpc.net/5094099090093099/Ulysses-Annotated-Characters-Analysis-Themes-Motifs-Symbols-amp-Study-Questions-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/6096092098095097/Dubliners-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/6091097092098/The-Dead-by-James-Joyce.pdf
    • http://loaminoo.linkpc.net/109009709509209

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