Malicious PDF — malware analysis report

Static analysis result for SHA-256 92d793ac7b71454e…

MALICIOUS

PDF

29.1 KB Created: 2019-05-02 05:03:38 +01:00 Authoring application: mPDF 5.7
MD5: ca26a0abdca69c17a22515cfe9f7f40c SHA-1: 65e162b5a284baf564cff18a96e71ed2343cc177 SHA-256: 92d793ac7b71454e358a872812a947e99bc765cca106f9756c1fab414875a3c6
90 Risk Score

Malware Insights

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

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While many of these links were classified as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to host further malicious content. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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/9738739739739737/Und-wer-bist-Du-Keine-Ahnung-Oder-warum-Brokkolicremesuppe-so-besonders-gut-schmeckt-by-Michelle-Sager.pdf
    • http://cefasfese.4pu.com/1731739735730739734/Die-konomie-der-Hexerei-oder-Warum-es-in-Afrika-keine-Wolkenkratzer-gibt-by-David-Signer.pdf
    • http://cefasfese.4pu.com/9738739738738738/Ich-habe-keine-Ahnung-Nichtwissen-in-der-Hirnforschung-by-Ernst-P-ppel.pdf
    • http://cefasfese.4pu.com/1731737739732739731/Mama-warum-bist-du-so-w-tend-auf-mich-by-Udo-Buck.pdf
    • http://cefasfese.4pu.com/9736732735734732/Es-liegt-nicht-an-dir-27-falsche-Gr-nde-warum-du-noch-Single-bist-by-Sara-Eckel.pdf
    • http://cefasfese.4pu.com/1730731734737735733/Warum-Krokodile-keine-Affenherzen-fressen-Fabeln-und-Tiergeschichten-aus-Laos-by-Martina-Sylvia-Khamphasith.pdf
    • http://cefasfese.4pu.com/1731734735736735736/Du-bist-KEIN-NAZI-nur-weil-du-zu-PEGIDA-gehst-oder-AfD-w-hlst-by-Joachim-Raeder.pdf
    • http://cefasfese.4pu.com/1731739735730738733/Wissenschaft-oder-Hexerei-Warum-systemische-Aufstellungen-funktionieren-m-ssen-by-Christiane-Grabow.pdf
    • http://cefasfese.4pu.com/9738738735731736/Kein-Kapitalismus-ist-auch-keine-L-sung-Die-Krise-der-heutigen-konomie-oder-Was-wir-von-Smith-Marx-und-Keynes-lernen-k-nnen-by-Ulrike-Herrmann.pdf
    • http://cefasfese.4pu.com/9731733738731735/Sag-mir-doch-wer-Du-bist-Bist-Du-aus-dem-All-gekommen-by-Monika-Stahl.pdf
    • http://cefasfese.4pu.com/1730739732731739730/Bild-Und-Bibliothek-Die-Graphische-Sammlung-Der-Schweizerischen-Nationalbibliothek-Oder-Wie-Die-Kunst-in-Die-Bibliothek-Kam-Und-Warum-Sie-Dort-Geblieben-Ist-by-Susanne-Bieri.pdf
    • http://cefasfese.4pu.com/8738730731735739/Deine-Scheisse-schmeckt-k-stlich-hemmungslose-Kaviar-Spiele-by-M-Matussek.pdf
    • http://cefasfese.4pu.com/1730731735731738735/Gradwanderung--Mann-oder-Frau-oder-beides-in-Einem-by-christa-ehre.pdf
    • http://cefasfese.4pu.com/9738739738739731/Ahnung-Album-Leaf-For-Piano-by-Robert-Schumann.pdf
    • http://cefasfese.4pu.com/5734736733738735/Abracadabra-Oder-Die-Dritte-Und-Letzte-Stufe-Der-H-hern-Weihe-in-Die-Gesammten-Geheimen-Wissenschaften-Oder-Magie-by-Johann-Friedrich-Theodor-Wohlfarth.pdf
    • http://cefasfese.4pu.com/9738739738739738/Poesie-Und-Wirklichkeit-In-Joseph-Von-Eichendorffs-Ahnung-Und-Gegenwart-by-Konrad-Schaum.pdf
    • http://cefasfese.4pu.com/9738739738739736/Von-Null-Ahnung-zu-etwas-T-rkisch-Dies-ist-kein-Sprachkurs-by-Vera-F-Birkenbihl.pdf
    • http://cefasfese.4pu.com/1731735737735734732/Die-Entscheidung-zur-Organspende-Moralische-Verpflichtung-oder-unzumutbare-Aufgabe-Inwieweit-d-rfen-die-Toten-f-r-die-Lebenden-in-Anspruch-oder-sogar-Pflicht-genommen-werden-by-Susanne-Lossi.pdf
    • http://cefasfese.4pu.com/9730737734739736/Street-Fighting-System-quot-Secrets-of-the-real-street-fight---Gewaltt-ter-suchen-Opfer-keine-Gegner-quot-Gewaltt-ter-suchen-Opfer-keine-Gegner-by-Markus-J-llig.pdf
    • http://cefasfese.4pu.com/1731735736732737735/Besonders-Gefahrdete-Kulturdenkmale-Im-Freistaat-Sachsen-Schlosser-Und-Herrenhauser-by-Thomas-Wolk.pdf
    • http://cefasfese.4pu.com/1730731734737735733/Warum-Krokodile-keine-Affenherzen-fressen-Fabeln-und-Tiergeschichten-aus-Laos-by-Martina-Sylvia-Khamph

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