Malicious PDF — malware analysis report

Static analysis result for SHA-256 e721cd5f85913082…

MALICIOUS

PDF

18.9 KB Created: 2019-04-30 17:30:10 +01:00 Authoring application: mPDF 5.7
MD5: 4a082f3386276b0bc956055218cfb248 SHA-1: ea5ae777baae517a712badd4b026975ab82960ef SHA-256: e721cd5f85913082b0a0862994a650e373bbe5ba6059197f0b78e9267d676d01
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents hosted on the domain 'loaminoo.linkpc.net'. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact user-facing lure. The primary attack vector appears to be social engineering through the provision of numerous links.

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/7099090096092/Four-Princes-Henry-VIII-Francis-I-Charles-V-Suleiman-the-Magnificent-and-the-Obsessions-that-Forged-Modern-Europe-by-John-Julius-Norwich.pdf
    • http://loaminoo.linkpc.net/2090096093096090/Four-Princes-Henry-VIII-Francis-I-Charles-V-Suleiman-the-Magnificent-and-the-Obsessions-that-Forged-Modern-Europe-by-John-Julius-Norwich.pdf
    • http://loaminoo.linkpc.net/1093098095092092/Byzantium-The-Decline-and-Fall-by-John-Julius-Norwich.pdf
    • http://loaminoo.linkpc.net/1091095096097097090/View-of-the-State-of-Europe-During-the-Middle-Ages-Viii-459-P-by-Henry-Hallam.pdf
    • http://loaminoo.linkpc.net/3093098097095091/Love-Letters-of-Henry-VIII-to-Anne-Boleyn-by-Henry-VIII-of-England.pdf
    • http://loaminoo.linkpc.net/4090093095097093/The-Normans-in-Sicily-The-Normans-in-the-South-1016-1130-and-the-Kingdom-in-the-Sun-1130-1194-by-John-Julius-Norwich.pdf
    • http://loaminoo.linkpc.net/3094094093094094/Darling-Monster-The-Letters-of-Lady-Diana-Cooper-to-her-Son-John-Julius-Norwich-1939-1952-by-Lady-Diana-Cooper.pdf
    • http://loaminoo.linkpc.net/3093099098098092/The-tudor-brief-part1-Henry-VII-and-Henry-VIII-by-Carol-Derbyshire.pdf
    • http://loaminoo.linkpc.net/1094090090096097/The-Last-Wife-of-Henry-VIII-by-Carolly-Erickson.pdf
    • http://loaminoo.linkpc.net/4090090095096092/The-Wives-of-Henry-VIII-by-Antonia-Fraser.pdf
    • http://loaminoo.linkpc.net/1097092099094098/The-Wives-of-Henry-VIII-by-Antonia-Fraser.pdf
    • http://loaminoo.linkpc.net/3094096092096/The-Six-Wives-of-Henry-VIII-by-Alison-Weir.pdf
    • http://loaminoo.linkpc.net/2090095092093092/The-Last-Wife-of-Henry-VIII-by-Carolly-Erickson.pdf
    • http://loaminoo.linkpc.net/2095091099099097/The-Autobiography-Of-Henry-VIII-by-Margaret-George.pdf
    • http://loaminoo.linkpc.net/3093099095096098/Henry-VIII-Man-and-Monarch-by-Susan-Doran.pdf
    • http://loaminoo.linkpc.net/8095097092099091/Henry-VIII-The-Politics-of-Tyranny-by-Jasper-Ridley.pdf
    • http://loaminoo.linkpc.net/4095099095093/Six-Wives-The-Queens-of-Henry-VIII-by-David-Starkey.pdf
    • http://loaminoo.linkpc.net/1091097091093098097/Manga-Shakespeare-Henry-VIII-by-Richard-Appignanesi.pdf
    • http://loaminoo.linkpc.net/9099097096094097/Cage-of-Bones-amp-Other-Deadly-Obsessions-by-John-Everson.pdf
    • http://loaminoo.linkpc.net/3091095090097090/Cage-of-Bones-amp-Other-Deadly-Obsessions-by-John-Everson.pdf
    • http://loaminoo.linkpc.net/30

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