Malicious PDF — malware analysis report

Static analysis result for SHA-256 da548fbda2184997…

MALICIOUS

PDF

13.3 KB Created: 2019-04-30 04:53:40 +01:00 Authoring application: mPDF 5.7
MD5: 90762cc0d274f8c2dee89e9d41c1b74e SHA-1: 4fa0cfa79d628d01e37443fe6144a90e82ba9d8b SHA-256: da548fbda2184997f37e2a3a5fc20d1eec9bc1da16ba0e722721e0c972106284
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded URLs, constituting a link farm. These URLs point to various PDF files hosted on the 'loaminoo.linkpc.net' domain. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of such links, suggesting a tactic to increase search engine visibility or distribute content. While the content itself appears to be book-related, the sheer volume and dynamic DNS hosting raise suspicion of a malicious distribution or redirection scheme.

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/1090093090094094091/Works-by-Poul-Anderson-Book-Guide-Novellas-by-Poul-Anderson-Novels-by-Poul-Anderson-Short-Stories-by-Poul-Anderson-by-Source-Wikipedia.pdf
    • http://loaminoo.linkpc.net/4096094091098090/Tau-Zero-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/2095090097099/Tau-Zero-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/3098091092097098/Mirkheim-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/5090093090094093/The-Byworlder-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090092099095/The-Man-Who-Counts-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/4095096099093099/Call-Me-Joe-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/6097099090090099/Sentiment-Inc-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1098096099098098/The-Rebel-Worlds-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090093094091/A-Circus-of-Hells-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090094094092/The-Winter-of-the-World-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/3092093094097093/Guardians-of-Time-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/8096099098096/A-Midsummer-Tempest-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090092099097/Satan-s-World-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/3093090093097093/Vault-of-the-Ages-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/5095095093092091/Kinship-With-The-Stars-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/8096092096091/Three-Hearts-and-Three-Lions-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090093093096/Virgin-Planet-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/2095091094093/The-Enemy-Stars-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/5090092097099090/The-High-Crusade-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/309209309409709

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