Malicious PDF — malware analysis report

Static analysis result for SHA-256 efec793ac662fe37…

MALICIOUS

PDF

15.0 KB Created: 2019-04-28 14:42:07 +01:00 Authoring application: mPDF 5.7
MD5: 464deb16d29b40400d89ee8b66af2259 SHA-1: 5df0098b45a13d10ab6b2004a7142e38e2201fdc SHA-256: efec793ac662fe377ee9847bc268afcad408e56d915c78b80482c5641610879c
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. The primary heuristic indicates this is a PDF SEO link farm, suggesting the document's purpose is to drive traffic to these external links. No scripts were extracted from this sample. The URLs themselves appear to be benign, but the pattern of embedding a large number of links is suspicious.

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/2099091096093099/Turn-of-the-Cards-Wild-Cards-12-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/2096095099099092/Wild-Cards-Wild-Cards-1-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/3095090093096092/Wild-Cards-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/2099090097099093/Down-and-Dirty-Wild-Cards-5-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/9091098094090096/Low-Chicago-Wild-Cards-25-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/3093092092090097/One-Eyed-Jacks-Wild-Cards-8-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/6090091096092/Suicide-Kings-Wild-Cards-20-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/1090090091090093097/Wild-Cards---Der-Sieg-der-Verlierer-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/3093091099092099/Double-Solitaire-Wild-Cards-10-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/3093092092090098/Dealer-s-Choice-Wild-Cards-11-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/3093092092093091/George-R-R-Martin-s-Wild-Cards-The-Hard-Call-by-Daniel-Abraham.pdf
    • http://loaminoo.linkpc.net/3093092092093095/George-R-R-Martin-s-Wild-Cards-The-Hard-Call-Part-1-by-Daniel-Abraham.pdf
    • http://loaminoo.linkpc.net/3093092099090098/George-R-R-Martin-s-Wild-Cards-The-Hard-Call-Part-3-by-Daniel-Abraham.pdf
    • http://loaminoo.linkpc.net/3093092096092097/George-R-R-Martin-s-Wild-Cards-The-Hard-Call-Part-6-by-Daniel-Abraham.pdf
    • http://loaminoo.linkpc.net/7090098092095095/Church-Connection-Cards-Connect-with-Visitors-Grow-Your-Church-Pastor-Your-People-Little-Cards-Big-Results-by-Yvon-Prehn.pdf
    • http://loaminoo.linkpc.net/3091092092092/Wild-Cards-by-Simone-Elkeles.pdf
    • http://loaminoo.linkpc.net/9099094098099099/Deck-of-Cards-by-I-D-Johnson.pdf
    • http://loaminoo.linkpc.net/1090093090095095095/Deck-of-Cards-M-A-C-by-Richard-Lohr.pdf
    • http://loaminoo.linkpc.net/3093098090097098/Cards-on-the-Table-by-Josh-Lanyon.pdf
    • http://loaminoo.linkpc.net/4097099099094093/Cards-of-Love-The-Pope-by-L-P-Lovell.pdf

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