Malicious PDF — malware analysis report

Static analysis result for SHA-256 6df2d04f1122c0dd…

MALICIOUS

PDF

15.5 KB Created: 2019-05-02 14:17:57 +01:00 Authoring application: mPDF 5.7
MD5: ebe5d7d89ea5065894d08c02ec12dcec SHA-1: e55b8c4042d3f47d891d1d9b3f6f538037f4a40b SHA-256: 6df2d04f1122c0dd2ef9a35e7bf7364c411213f4bf6aa73dd3f739506ac9789b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malware. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the embedded URLs suggest an attempt to redirect the user to potentially malicious content hosted on the loaminoo.linkpc.net domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/7097099090094/A-Long-Long-Sleep-UniCorp-1-by-Anna-Sheehan.pdf
    • http://loaminoo.linkpc.net/1095094092097099/A-Long-Long-Sleep-by-Anna-Sheehan.pdf
    • http://loaminoo.linkpc.net/5095092096098096/Max-and-Milo-Go-to-Sleep-by-Heather-Long.pdf
    • http://loaminoo.linkpc.net/5099096095092/A-Long-Long-Time-Ago-and-Essentially-True-by-Brigid-Pasulka.pdf
    • http://loaminoo.linkpc.net/1090092095090097/Litany-of-the-Long-Sun-The-Book-of-the-Long-Sun-1-2-by-Gene-Wolfe.pdf
    • http://loaminoo.linkpc.net/3092094090090092/The-Long-Utopia-The-Long-Earth-4-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/5094096097099/Exodus-from-the-Long-Sun-The-Book-of-the-Long-Sun-4-by-Gene-Wolfe.pdf
    • http://loaminoo.linkpc.net/3092099096095098/Pulled-Long-Long-Shots-3-by-Christine-d-39-Abo.pdf
    • http://loaminoo.linkpc.net/4098093099097/The-Fundamentals-of-Long-Distance-Relationship-Things-You-Need-to-Know-About-Long-Distance-Relationships-LDR-and-Tips-How-to-Make-it-Work-by-Lisa-Daniel.pdf
    • http://loaminoo.linkpc.net/2092095099099098/A-Long-Long-Way-by-Sebastian-Barry.pdf
    • http://loaminoo.linkpc.net/9097099095097095/Long-Long-Autumn-Nights-Selected-Poems-of-Oguma-Hideo-1901-1940-by-Hideo-Oguma.pdf
    • http://loaminoo.linkpc.net/5096095099094/The-Long-Way-Long-Way-1-by-DomLuka.pdf
    • http://loaminoo.linkpc.net/1097095095093093/Daddy-Long-Legs-amp-Dear-Enemy-Daddy-Long-Legs-1-2-by-Jean-Webster.pdf
    • http://loaminoo.linkpc.net/9096091092/The-Long-Earth-The-Long-Earth-1-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/3091099094091/Long-Lankin-Long-Lankin-1-by-Lindsey-Barraclough.pdf
    • http://loaminoo.linkpc.net/1093096092094/A-Long-Way-from-Chicago-A-Long-Way-from-Chicago-1-by-Richard-Peck.pdf
    • http://loaminoo.linkpc.net/4097094091096090/The-Long-Earth-The-Long-Earth-1-by-Terry-Pratchett.pdf
    • http://loaminoo.linkpc.net/2098091091093094/No-Life-But-This-UniCorp-2-by-Anna-Sheehan.pdf
    • http://loaminoo.linkpc.net/9099099092094092/Long-Time-Dying-Box-Set-Long-Time-Dying-1-3-by-Solomon-Carter.pdf
    • http://loaminoo.linkpc.net/3098094098093099/Long-Road-to-Baghdad-Long-Road-to-Baghdad-1-by-Catrin-Collier.pdf

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