Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a7687b27774f0cd…

MALICIOUS

PDF

18.8 KB Created: 2019-05-02 02:34:49 +01:00 Authoring application: mPDF 5.7
MD5: 89fd402946916fd4f548d1f0c2bcf20f SHA-1: 2f409e2fff70e2173bb88d2056c60aaa3c7522a1 SHA-256: 8a7687b27774f0cd068a7708bb0e884ad406e283018cd7074b684ee9fa47c280
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified as a PDF_SEO_LINK_FARM heuristic. While most of the linked URLs are marked as benign, the sheer volume and the nature of the heuristic suggest a potential for SEO manipulation or the distribution of malicious content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific intent. The primary attack pattern observed is the use of a link farm within a PDF document.

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/4096095096096094/Search-for-Spock-A-Star-Trek-Book-of-Exploration-A-Highly-Illogical-Parody-by-Robb-Pearlman.pdf
    • http://loaminoo.linkpc.net/4098092098091098/Fun-with-Kirk-and-Spock-by-Robb-Pearlman.pdf
    • http://loaminoo.linkpc.net/4096093094099098/Highly-Illogical-Behavior-by-John-Corey-Whaley.pdf
    • http://loaminoo.linkpc.net/1096093092097092/Star-Trek-II-The-Wrath-Of-Khan-Star-Trek-TOS-Movie-Novelizations-2-by-Vonda-N-McIntyre.pdf
    • http://loaminoo.linkpc.net/1090092091097093091/Star-Trek-Log-Four-Star-Trek-Logs-4-by-Alan-Dean-Foster.pdf
    • http://loaminoo.linkpc.net/1090092091095097095/Star-Trek-Log-One-Star-Trek-Logs-1-by-Alan-Dean-Foster.pdf
    • http://loaminoo.linkpc.net/8096092096098098/Star-Trek-Die-n-chste-Generation---Eine-H-lle-namens-Paradies-Star-Trek-The-Next-Generation-11-by-Peter-David.pdf
    • http://loaminoo.linkpc.net/8096092096099090/Star-Trek-Die-n-chste-Generation---Planet-der-Waffen-Star-Trek-The-Next-Generation-5-by-Peter-David.pdf
    • http://loaminoo.linkpc.net/2091091091092095/The-Star-Trek-Book-Strange-New-Worlds-Boldly-Explained-by-Paul-Ruditis.pdf
    • http://loaminoo.linkpc.net/7097090099091/The-Star-Trek-Book-Strange-New-Worlds-Boldly-Explained-by-Paul-Ruditis.pdf
    • http://loaminoo.linkpc.net/1096091094092091/Kirk-The-Star-to-Every-Wandering-Star-Trek-Crucible-3-by-David-R-George-III.pdf
    • http://loaminoo.linkpc.net/5092098099097099/Star-Trek-Star-Fleet-Technical-Manual-by-Franz-Joseph.pdf
    • http://loaminoo.linkpc.net/4092095093092099/Legacies-Book-1-Captain-to-Captain-Star-Trek-The-Original-Series-by-Greg-Cox.pdf
    • http://loaminoo.linkpc.net/4099097098091097/Become-a-Key-Person-of-Influence-The-5-Step-Sequence-to-Becoming-One-of-the-Most-Highly-Valued-and-Highly-Paid-People-in-Your-Industry-by-Daniel-Priestley.pdf
    • http://loaminoo.linkpc.net/2093097093092090/Star-Trek-4-by-James-Blish.pdf
    • http://loaminoo.linkpc.net/3092093096093095/Star-Trek-First-Contact-by-John-Vornholt.pdf
    • http://loaminoo.linkpc.net/4094097092098090/Star-Trek-Memories-by-William-Shatner.pdf
    • http://loaminoo.linkpc.net/6094090093097/The-Physics-of-Star-Trek-by-Lawrence-M-Krauss.pdf
    • http://loaminoo.linkpc.net/1090094091098091093/Star-Trek---The-Next-Generation-2-Widerstand-by-J-M-Dillard.pdf
    • http://loaminoo.linkpc.net/6094096097090098/Caretaker-Star-Trek-Voyager-1-by-L-A-Graf.pdf
    • http://loaminoo.linkpc.net/8096092096099090/Star-Trek-Die-n-chste-Generation---