Malicious PDF — malware analysis report

Static analysis result for SHA-256 380ab634e534463a…

MALICIOUS

PDF

26.5 KB Created: 2019-05-01 20:09:37 +01:00 Authoring application: mPDF 5.7
MD5: 24882d8eb3e3a4722049c4ea813bf6e9 SHA-1: cc5ae9c5e5b89368eb794032ab9f1ee2a212b246 SHA-256: 380ab634e534463a069c2ecbeeafa151d28544fb5a6ca479ecd2be3ff45848ff
90 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, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm. The document body, though heavily obfuscated, contains URLs pointing to what appear to be book downloads, suggesting a lure to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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://unieoooq.linkpc.net/14e04e44e84e64e34e9/Goethes-Werke-in-vierzehn-B-nden-Hamburger-Ausgabe-Band-7-Romane-und-Novellen-II-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e44e84e64e44e0/Goethes-Werke-in-vierzehn-B-nden-Hamburger-Ausgabe-Band-5-Dramatische-Dichtungen-III-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e44e84e44e34e8/Goethes-Werke-in-vierzehn-B-nden-Hamburger-Ausgabe-Band-I-Gedichte-und-Epen-I-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e44e84e64e44e6/Goethes-Werke-in-vierzehn-B-nden-Hamburger-Ausgabe-Band-10-Autobiographische-Schriften-II-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e44e84e64e44e4/Goethes-Werke-in-vierzehn-B-nden-Hamburger-Ausgabe-Band-11-Autobiographische-Schriften-III-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e84e94e44e54e5/S-Mmtliche-Werke-In-Vierzig-B-Nden-Volumes-19-20-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/94e54e14e84e14e6/Goethes-Ausgew-hlte-Werke-Vol-4-of-12-Inhalt-G-tz-Von-Berlichingen-Egmont-Clavigo-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/94e54e14e94e44e3/Goethes-S-mtliche-Werke-Vol-9-of-36-Inhalt-G-tz-Von-Berlichingen-Clavigo-Egmont-Stella-Die-Geschwister-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e14e64e64e04e04e0/Die-Wahlverwandschaften-mit-Vorwort-und-Illustrationen-Johann-Wolfgang-von-Goethe-Romane-5-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e84e94e34e24e9/Goethe-s-Sammtliche-Werke-in-Vierzig-Banden-30-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e24e34e34e34e4/Goethe-s-Werke-Zwolfter-Theil-Faust-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/84e64e84e04e54e0/Goethes-Faust-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e14e54e44e24e34e4/Goethes-Letters-to-Zelter-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/94e54e14e84e14e3/Goethes-G-tz-Von-Berlichingen-In-Dreifacher-Gestalt-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/64e74e24e24e74e6/Goethes-Briefe-an-Friederich-August-Wolf-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e14e54e44e34e84e5/Der-Briefwechsel-Zwischen-Goethe-Und-Zelter-Vol-1-of-4-Im-Auftrag-Des-Goethe-Und-Schiller-Archivs-Nach-Den-Handschriften-1799-1818-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/74e44e04e94e04e2/Faust-I-dolori-del-giovane-Werther-Elegie-romane-Viaggio-in-Italia-Torquato-Tasso-Principii-di-filosofia-zoologica-e-anatomia-comparata-Sei-diverse-opere-con-illustrazioni-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/64e74e44e04e34e5/Works-of-Johann-Wolfgang-von-Goethe-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/44e14e34e94e44e3/The-Goethe-Treasury-Selected-Prose-and-Poetry-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e14e54e44e34e64e6/Briefwechsel-Zwischen-Goethe-Und-Zelter-in-Den-Jahren-1796-Bis-1832-Dritter-Theil-by-Johann-Wolfgang-von-Goethe.pdf
    • http://unieoooq.linkpc.net/14e04e44e84e64e44e6/Goethes-Werke-in-vierzehn-B-nden-Hamburger-Ausgabe-Band-10-Autobiographische-Schriften-II-by-Johann-Wolfgang-von-G

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