Malicious PDF — malware analysis report

Static analysis result for SHA-256 087343b8939533ec…

MALICIOUS

PDF

14.7 KB Created: 2019-05-01 19:33:32 +01:00 Authoring application: mPDF 5.7
MD5: 2d548f2dd90ca24937676b49e3259959 SHA-1: 49b001f365c1ab70d76f16a4f6065aab9c87e96c SHA-256: 087343b8939533ec25e315346baeb91c30ce8a9b276a3f6f74b1e0d7988d3f8c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. The ML classifier also flagged this document as malicious. While the specific intent beyond link farming is unclear, this technique is often used to distribute malware or lead users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/2098097090090091/Pathfinder-Adventure-Path-10-A-History-of-Ashes-by-Michael-Kortes.pdf
    • http://loaminoo.linkpc.net/2093090093094096/Pathfinder-Adventure-Path-7-Edge-of-Anarchy-by-Nicolas-Logue.pdf
    • http://loaminoo.linkpc.net/3097095094096097/Pathfinder-Pathfinder-1-by-Orson-Scott-Card.pdf
    • http://loaminoo.linkpc.net/1091092099090091092/Ashes-to-Ashes-Ashes-to-Ashes-1-by-Lillian-Stewart-Carl.pdf
    • http://loaminoo.linkpc.net/1099093098090095/The-Shackled-City-Adventure-Path-by-Jesse-Decker.pdf
    • http://loaminoo.linkpc.net/2091095096095/Legacy-of-Ashes-The-History-of-the-CIA-by-Tim-Weiner.pdf
    • http://loaminoo.linkpc.net/1091092098099090090/Ashes-to-Memories-Ashes-to-Ashes-5-by-Annie-Anderson.pdf
    • http://loaminoo.linkpc.net/1091092098099094091/Falling-Ashes-Ashes-to-Ashes-2-by-Annie-Anderson.pdf
    • http://loaminoo.linkpc.net/1090095091092/The-Path-to-Tyranny-by-Michael-E-Newton.pdf
    • http://loaminoo.linkpc.net/3099090096090/She-A-History-of-Adventure-She-1-by-H-Rider-Haggard.pdf
    • http://loaminoo.linkpc.net/9099097097091099/She-A-History-of-Adventure-by-H-Rider-Haggard.pdf
    • http://loaminoo.linkpc.net/8095095098091091/The-Titanic-An-Interactive-History-Adventure-by-Bob-Temple.pdf
    • http://loaminoo.linkpc.net/2090090099098096/Dead-Girl-s-Ashes-Dying-Ashes-1-by-Annathesa-Nikola-Darksbane.pdf
    • http://loaminoo.linkpc.net/8099091090093090/Ashes-Ruhelose-Seelen-Ashes-3-part-1-of-2-by-Ilsa-J-Bick.pdf
    • http://loaminoo.linkpc.net/4097098097090091/In-Search-of-History-A-Personal-Adventure-by-Theodore-H-White.pdf
    • http://loaminoo.linkpc.net/8096098090090097/Michael-and-Ava-s-Louisiana-Adventure-by-Shelle-Buras.pdf
    • http://loaminoo.linkpc.net/4093092097094092/Sullivan-s-War-The-Complete-Adventure-by-Michael-K-Rose.pdf
    • http://loaminoo.linkpc.net/1094097098090098/Ashes-to-Ashes-Experiment-in-Terror-8-by-Karina-Halle.pdf
    • http://loaminoo.linkpc.net/8095091097092/Ashes-to-Ashes-Kovac-and-Liska-1-by-Tami-Hoag.pdf
    • http://loaminoo.linkpc.net/1091094096099092092/Westward-Expansion-An-Interactive-History-Adventure-by-Allison-Lassieur.pdf

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