Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8cee639746e5ec…

MALICIOUS

PDF

32.8 KB Created: 2019-05-07 03:32:22 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-13
MD5: ab6191f102ae9d3b3bb88104e9e128d9 SHA-1: c30be180fa9241bd76948c85a2ab9da406565581 SHA-256: aa8cee639746e5ec7d4b13fecd27559a97a829c880569206addd1740b6971d42
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous URLs suggests an attempt to redirect the user to potentially malicious content or for SEO manipulation. No scripts were extracted, but the structure implies a malicious intent to lead users away from the current document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

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://muicuiu.dumb1.com/1a01a08a08a05a06a00/Bildung-in-Lubeck-Universitat-Zu-Lubeck-Universitatsklinikum-Schleswig-Holstein-Katharineum-Zu-Lubeck-Stadtbibliothek-by-Quelle-Wikipedia.pdf In PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a06a02a02/Strasse-in-Lubeck-Ehemalige-Strasse-in-Lubeck-Strasse-in-Lubeck-Altstadt-Wakenitzufer-Holstentorplatz-Marienkirchhof-Engelsgrube-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a06a02a04/Kultur-Lubeck-Skulpturen-Und-Objekte-in-Lubeck-Lubecker-Stadtteilkinos-Lubeckische-Kunst-Ausserhalb-Lubecks-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a04a07a06/BARENREITER-LUBECK-VINCENT---NEW-EDITION-OF-THE-COMPLETE-ORGAN-AND-KEYBOARD-WORKS-VOL-1---ORGAN-HARPSICHORD-Classical-sheets-Organ-by-Lubeck.pdfIn PDF document text
    • http://muicuiu.dumb1.com/7a06a09a02a01a03/Geografia-de-Schleswig-Holstein-Cidades-Do-Schleswig-Holstein-Distritos-de-Schleswig-Holstein-Municipios-de-Schleswig-Holstein-by-Fonte-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a06a08a04a09a08/Christentum-Nach-Ort-Christentum-Koln-Christentum-Lubeck-Christentum-in-Aachen-Christentum-in-Berlin-Christentum-in-Bielefeld-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a05a00a06a05a05/Kino-in-Deutschland-Kino-in-Berlin-Kino-in-Dresden-Kino-in-Dusseldorf-Kino-in-Lubeck-Kino-in-Munchen-Kinobetreiber-Deutschland-Kinogebaude-in-Deutschland-Lichtburg-Metropol-Lubecker-Stadtteilkinos-Kinos-in-Eisenach-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a08a00a02a08a01/Bildung-in-Afrika-Bildung-Im-Sudan-Bildung-in-Gambia-Bildung-in-Ghana-Bildung-in-Liberia-Bildung-in-Malawi-Bildung-in-Namibia-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a08a00a06a09a04/Bildung-Kanton-Zurich-Bildung-in-Winterthur-Bildung-in-Zurich-Kantonsschule-Kusnacht-Zentralbibliothek-Zurich-Universitat-Zurich-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a04a08a07/The-Day-Before-the-End-of-the-World-by-Roger-C-Lubeck.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a03a03a09/Reiki-Way-of-the-Heart-by-Walter-L-beck.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a02a02a08/The-Spirit-of-Reiki-by-Walter-L-beck.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a06a04a00/Das-Burgkloster-Zu-Lubeck-by-Manfred-Glaser.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a05a04a09/L-beck-A-Wonderful-Moment-in-Time-by-Don-E-Johnson.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a08a05a07a08a06/Hommage-a-Tannewetzel-Neujahrsrede-in-St-Marien-zu-Lubeck-by-Horst-Janssen.pdfIn PDF document text
    • http://muicuiu.dumb1.com/8a06a02a09a06a06/Ehemaliger-Kreis-in-Schleswig-Holstein-Helgoland-Kreis-Sudtondern-Kreis-Sonderburg-Kreis-Apenrade-Kreis-Husum-Kreis-Hadersleben-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a08a00a06a09a05/Bildung-in-Frankreich-Bibliothek-in-Frankreich-Bibliotheque-Nationale-de-France-Bildung-in-Paris-Bildung-Und-Forschung-in-Grenoble-by-Quelle-Wikipedia.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a02a03a02/Reiki-Best-Practices-Wonderful-Tools-of-Healing-for-the-First-Second-and-Third-Degree-of-Reiki-by-Walter-L-beck.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a08a08a02a04a00/Rainbow-Reiki-Expanding-the-Reiki-System-With-Powerful-Spiritual-Abilities-Shangri-La-Series-by-Lubeck.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a09a06a02a05a07/Bildung-in-Wien-Bibliothek-in-Wien-Hochschule-in-Wien-Schule-in-Wien-Universitat-Wien-Volkshochschule-by-Quelle-Wikipedia.pdfIn PDF document text

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