Malicious PDF — malware analysis report

Static analysis result for SHA-256 74191f5036d3cfd9…

MALICIOUS

PDF

19.9 KB Created: 2019-04-30 04:19:39 +01:00 Authoring application: mPDF 5.7
MD5: 4755006eb556ff28210a1e64347a42d9 SHA-1: 61919937c7aabb9ff1a0e45262623956345fe63e SHA-256: 74191f5036d3cfd91ab63f8ee001f5988adc36151e727013fda6d756aedefc9b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to external PDF files hosted on a dynamic DNS domain, suggesting a link farm or SEO manipulation tactic. While the document body is heavily obfuscated, the presence of numerous external links indicates an attempt to direct users to potentially malicious or unwanted content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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/9095094097093095/Duell-in-fremden-Gew-ssern-Amanda-Garrett-5-by-James-H-Cobb.pdf
    • http://loaminoo.linkpc.net/2095093096094093/Target-Lock-Amanda-Garrett-4-by-James-H-Cobb.pdf
    • http://loaminoo.linkpc.net/9095097092092098/WESTERN---Sheriff-Lee-McAlister-in-DAS-DUELL---US-Marshal-John-W-Cobb-in-MIT-DEN-WAFFEN-DER-ZUKUNFT---Die-Rache-des-Texas-Rangers-sowie-Der-Tod-lauert-in-Texas-by-Uwe-H-S-ltz.pdf
    • http://loaminoo.linkpc.net/3093095098092/Listening-to-Our-Grandmothers-Stories-The-Bloomfield-Academy-for-Chickasaw-Females-1852-1949-by-Amanda-J-Cobb-Greetham.pdf
    • http://loaminoo.linkpc.net/2096093094094094/The-Arctic-Event-Covert-One-7-by-James-H-Cobb.pdf
    • http://loaminoo.linkpc.net/3097091096093096/Away-Down-South-A-History-of-Southern-Identity-by-James-C-Cobb.pdf
    • http://loaminoo.linkpc.net/2098091091091090/The-Garrett-Files-Garrett-P-I-1-3-by-Glen-Cook.pdf
    • http://loaminoo.linkpc.net/1090094096094092093/Beytr-ge-Zur-Naturgeschichte-Der-Kleinsten-Wasserthiere-Die-Mit-Blo-em-Auge-K-nnen-Gesehen-Werden-Und-Die-Sich-in-Den-Gew-ssern-in-Und-Umb-Danzig-Befinden-by-Johann-Conrad-Eichhorn.pdf
    • http://loaminoo.linkpc.net/5090095092099096/Another-Mother-by-Amanda-James.pdf
    • http://loaminoo.linkpc.net/8098096094097098/Die-drei-Schattenwelt-1-Teuflisches-Duell-by-Christoph-Dittert.pdf
    • http://loaminoo.linkpc.net/1090092090090090094/On-the-Many-Deaths-of-Amanda-Palmer-And-the-Many-Crimes-of-Tobias-James-by-Rohan-Kriwaczek.pdf
    • http://loaminoo.linkpc.net/2097094095099098/Dream-Keeper-The-Dark-Dreamer-Trilogy-1-by-Amber-R-Duell.pdf
    • http://loaminoo.linkpc.net/9095094097093098/Autodesk-Revit-Architecture-2014-Essentials-by-Ryan-Duell.pdf
    • http://loaminoo.linkpc.net/1090097093099096095/Michail-Scholochow---Im-Duell-Mit-Der-Zeit-Beitraege-Zu-Leben-Und-Werk-by-Willi-Beitz.pdf
    • http://loaminoo.linkpc.net/1091094095098095097/Wie-in-fremden-Schuhen-by-Renate-Welsh.pdf
    • http://loaminoo.linkpc.net/8097090091094098/Fremder-in-einer-fremden-Welt-by-Robert-A-Heinlein.pdf
    • http://loaminoo.linkpc.net/1091094094094094094/Hemmungslose-Leidenschaft-Sex-mit-fremden-M-nnern-by-Nathalie-G-Stevens.pdf
    • http://loaminoo.linkpc.net/1090095091090090099/Abw-rts---tabulos-im-Fahrstuhl-Sex-mit-Fremden-2-by-Anna-Fillinger.pdf
    • http://loaminoo.linkpc.net/8098090094091091/Xenophobie---Philoxenie-Vom-Umgang-Mit-Fremden-in-Der-Antike-by-Peter-Riemer.pdf
    • http://loaminoo.linkpc.net/1091094095098095095/Wir-zwei-in-fremden-Galaxien-Ventura-Saga-1-by-Kate-Ling.pdf