Malicious PDF — malware analysis report

Static analysis result for SHA-256 47fc60a933d536f7…

MALICIOUS

PDF

27.3 KB Created: 2019-04-30 05:39:22 +01:00 Authoring application: mPDF 5.7
MD5: c401d0bcec166ea26822d9eed240b221 SHA-1: 3106dfd5545112df9cf88599f957e9fd6d1c9ba6 SHA-256: 47fc60a933d536f72c3bb15017b9cfc69d52677df8fedc6aa22750d85f5a76d6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, identified as a link farm, directing users to external PDF documents. The ML classifier strongly indicated maliciousness. The primary attack pattern involves luring users to these external links, likely for further exploitation or to distribute additional malware. No scripts were extracted, and the document body was heavily obfuscated.

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://loaminoo.linkpc.net/1091094092096096093/Charles-Dickens-Die-grossen-Klassiker-Literatur-der-Welt-in-Bildern-Texten-Daten-Band-27-by-Wolfgang-Dohrmann.pdf
    • http://loaminoo.linkpc.net/9098099094097097/Persil-Bleibt-Persil-Aus-Dem-Langen-Leben-Einer-Grossen-Marke-Eine-Markentechnische-Studie-by-Leopold-Springinsfeld.pdf
    • http://loaminoo.linkpc.net/8097090091094098/Fremder-in-einer-fremden-Welt-by-Robert-A-Heinlein.pdf
    • http://loaminoo.linkpc.net/8099094098096095/Jugendliteratur-in-einer-ver-nderten-Welt-by-Karl-Ernst-Maier.pdf
    • http://loaminoo.linkpc.net/9093092096095091/Das-Ende-Der-Neuzeit-Menschsein-In-Einer-Welt-Ohne-G-tter-by-Rupert-Lay.pdf
    • http://loaminoo.linkpc.net/1091090092093096091/Belize---Geschichten-gesponnen-in-einer-anderen-Welt-by-Peter-R-Wolf.pdf
    • http://loaminoo.linkpc.net/1091098091092097094/Bockwurst-ad-Geschichten-aus-einer-versunkenen-Welt-by-Fritz-Dieter-Doenitz.pdf
    • http://loaminoo.linkpc.net/1091094099090094090/Zeit-Der-Politik-Demokratisches-Regieren-in-Einer-Beschleunigten-Welt-by-Holger-Strassheim.pdf
    • http://loaminoo.linkpc.net/8097094092090099/Die-Kommenden-Plagen-Neue-Krankheiten-In-Einer-Gefa-hrdeten-Welt-by-Laurie-Garrett.pdf
    • http://loaminoo.linkpc.net/5095097094095092/Anarchie-und-Evolution-Glaube-und-Wissenschaft-in-einer-Welt-ohne-Gott-by-Greg-Graffin.pdf
    • http://loaminoo.linkpc.net/6094094092093098/Du-bist-der-geliebte-Mensch-Religi-s-leben-in-einer-s-kularen-Welt-by-Henri-J-M-Nouwen.pdf
    • http://loaminoo.linkpc.net/1090090097093094098/Darauf-kann-man-sich-verlassen-Leben-in-einer-Welt-der-Unsicherheit-by-Anton-Schulte.pdf
    • http://loaminoo.linkpc.net/1091090094094090098/JK-Rowlings-magische-Welt-Versuch-einer-Interpretation-der-Harry-Potter-Romane-by-Sigrun-Strunk.pdf
    • http://loaminoo.linkpc.net/1090091095097092096/Gottes-sanfter-Rebell-Joseph-Kentenich-und-seine-Vision-von-einer-neuen-Welt-by-Christian-Feldmann.pdf
    • http://loaminoo.linkpc.net/9099096094099099/Schr-ge-Architektur-Und-Aufrechter-Gang-Dekonstruktion-Bauen-in-Einer-Welt-Ohne-Sinn-by-Gert-Kahler.pdf
    • http://loaminoo.linkpc.net/9092097091097096/ENDLOSE-WEITE-GRENZENLOSE-FREIHEIT-NAMENLOSE-ANONYMIT-T-IN-EINER-GLOBALEN-MULTIKULTURELLEN-WELT-by-Gebhard-Dei-elr.pdf
    • http://loaminoo.linkpc.net/9090099097095099/So-Werden-Wir-Lernen-Kompetenzentwicklung-in-Einer-Welt-Fuhlender-Computer-Kluger-Wolken-Und-Sinnsuchender-Netze-by-John-Erpenbeck.pdf
    • http://loaminoo.linkpc.net/1091096093097097093/Vier-Millionen-Schritte-bis-zum-Ende-der-Welt-Tagebuch-einer-Pilgerreise-zu-Fu-von-Kassel-nach-Santiago-de-Compostela-by-J-nos-Kert-sz.pdf
    • http://loaminoo.linkpc.net/9094094093090099/Leben-Mit-Kindern-in-Einer-Veranderten-Welt-Einstellungen-Und-Lebensplanung-Von-Eltern-Im-Ost-West-Vergleich-Internationale-Texte-Band-5-by-Jurgen-Sass.pdf
    • http://loaminoo.linkpc.net/1090097095090096090/Pilgerfahrt-nach-Santiago-de-Compostela-und-bis-ans-Ende-der-Welt-Cabo-Fisterra-Max-vom-Orlandshof-mit-einer-Kawasaki-250-Estrella-5570-km-auf-Tour-irgendwie-noch-einzul-sen-by-Max-vom-Orlandshof.pdf
    • http://loaminoo.linkpc.net/1091098091092097094/Bockwurst-ad-Geschichten-aus-eine

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