Malicious PDF — malware analysis report

Static analysis result for SHA-256 e33503e2ae39478b…

MALICIOUS

PDF

14.2 KB Created: 2019-04-30 06:35:14 +01:00 Authoring application: mPDF 5.7
MD5: 6792a0565f0f8dcecc4ad6f40e1c76e7 SHA-1: 0fdbee5848cb8e7110bbfa2b05143e27c49b8ebf SHA-256: e33503e2ae39478b30c767b51fa0acd03dfe2e7701df30bba59245d1bcc7b8be
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious File: Malicious Link

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various book titles hosted on the 'loaminoo.linkpc.net' domain. While the URLs themselves are labeled as confirmed benign, the sheer volume and structure suggest a link farm or SEO manipulation tactic, which can be used to mask malicious activity or distribute unwanted content. No scripts were extracted from this sample.

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/1099090096090094/Deck-the-Halls-Regan-Reilly-Mysteries-4-5-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096096092098090/Wrecked-Regan-Reilly-Mysteries-13-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2098096096097090/Iced-Regan-Reilly-Mysteries-3-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2097093097095092/Cursed-Regan-Reilly-Mysteries-12-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090092099091093/Fleeced-Regan-Reilly-Mysteries-5-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090092099091096/Jinxed-Regan-Reilly-Mysteries-6-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090092099091098/Gypped-Regan-Reilly-Mystery-15-by-Carol-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/6090093090094096/Regan-O-Reilly-PI-Comes-Home-Regan-O-Reilly-3-by-Margaret-Lake.pdf
    • http://loaminoo.linkpc.net/5090092098099090/Deck-the-Halls-by-Veronica-Vasylenko.pdf
    • http://loaminoo.linkpc.net/5090092098094099/Cat-Deck-the-Halls-Joe-Grey-13-by-Shirley-Rousseau-Murphy.pdf
    • http://loaminoo.linkpc.net/5093095091096095/Cat-Deck-the-Halls-Joe-Grey-13-by-Shirley-Rousseau-Murphy.pdf
    • http://loaminoo.linkpc.net/6098091099091095/The-Classic-Clark-Collection-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096098099095/Mary-Higgins-Clark-Presents-Malice-Domestic-Malice-Domestic-2-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096096094093093/Where-Are-You-Now-A-Novel-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096091098096096/I-ll-Be-Seeing-You-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/5094098097/All-By-Myself-Alone-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096095099097097/Stillwatch-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/1098096098095093/I-ll-Walk-Alone-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/3094092090097090/Before-I-Say-Good-Bye-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/3099099095097/All-Around-the-Town-by-Mary-Higgins-Clark.pdf
    • http://loaminoo.linkpc.net/2096098099095/Mary-Hi

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