Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f8b3f1629129d07…

MALICIOUS

PDF

17.1 KB Created: 2020-01-03 01:54:24 +00:00 Authoring application: mPDF 5.7 First seen: 2021-04-25
MD5: 622a81bae171d0fc82764b31dd820706 SHA-1: ff096be50c45531decf30b70090c7e61ec6d0d94 SHA-256: 3f8b3f1629129d07d1b487c6e9dca9be5ed6d1940b947121b9e19deca61f0811
92 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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://cefasfese.4pu.com/1731734735738732738/Texterm-Polarography-amp-Voltammetry-by-I-Eisenhardt.pdf In PDF document text
    • http://cefasfese.4pu.com/1731734735737736734/A-Dead-God-s-Tear-The-Netherwalker-Trilogy-1-by-Leighmon-Eisenhardt.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731734735738734731/Vier-Zimmer-K-che-Boot-Das-Hausbootabenteuer-by-Uta-Eisenhardt.pdfIn PDF document text
    • http://cefasfese.4pu.com/9736730736733739/Ulrich-Haarburste-s-Novel-of-Roy-Orbison-in-Clingfilm-by-Ulrich-Haarburste.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731734735738734736/Italian-Guitar-Music-of-the-Seventeenth-Century-Battuto-and-Pizzicato-by-Lex-Eisenhardt.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731734735738733732/Applying-Linguistics-in-the-Teaching-of-Reading-and-the-Language-Arts-by-Catheryn-Eisenhardt.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731734735738732739/Mensch-Und-Umwelt-Die-Wirkungen-Der-Umwelt-Auf-Den-Menschen-by-Thilo-Eisenhardt.pdfIn PDF document text
    • http://cefasfese.4pu.com/3733732737730738/Hans-Ulrich-Obrist-amp-Thomas-Demand-The-Conversation-Series-Volume-10-The-Conversation-Series-by-Hans-Ulrich-Obrist.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730733731739738738/Nicht-genug-by-S-C-Ulrich.pdfIn PDF document text
    • http://cefasfese.4pu.com/9730730736735732/Der-Edelstein-by-Ulrich-Boner.pdfIn PDF document text
    • http://cefasfese.4pu.com/1738737733734736/Face-Off-by-Maureen-Ulrich.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730737732736734730/SAP-HANA-for-ERP-Financials-by-Ulrich-Schl-ter.pdfIn PDF document text
    • http://cefasfese.4pu.com/9737730735732737/Verfassung-Und-Programm-in-Der-Ddr-by-Ulrich-Lohmann.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731739738733732731/Das-3-Jahrtausend-Damaskus-12-by-Christine-Ulrich.pdfIn PDF document text
    • http://cefasfese.4pu.com/2735738730735733/The-Way-They-Learn-by-Cynthia-Ulrich-Tobias.pdfIn PDF document text
    • http://cefasfese.4pu.com/9738737734736736/Auftrag-in-Tartu-by-Ulrich-Knellwolf.pdfIn PDF document text
    • http://cefasfese.4pu.com/1736735733734734/The-Enlightenment-The-Making-of-Europe-by-Ulrich-Im-Hof.pdfIn PDF document text
    • http://cefasfese.4pu.com/9738737734736734/Tod-in-Sils-Maria-by-Ulrich-Knellwolf.pdfIn PDF document text
    • http://cefasfese.4pu.com/1738738732738731/Broken-Vessels-by-Lucie-Ulrich.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730734731730735731/Der-unbekannte-Vatikan-by-Ulrich-Nersinger.pdfIn PDF document text

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