Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b4ac28344f3904b…

MALICIOUS

PDF

25.9 KB Created: 2019-04-30 04:05:21 +01:00 Authoring application: mPDF 5.7
MD5: 8942bf3f0b36dbc7845c5bd5ac448396 SHA-1: c3a77d974568b104b3a131eeb9f2d0234f9720e7 SHA-256: 6b4ac28344f3904b5351415b392d8e25824cb9bcd0db4bae1946c8a65698ead0
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm, suggesting an attempt to direct users to malicious or unwanted content. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the heuristic findings indicate a social engineering tactic to encourage downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/1a00a09a06a05a04a02/Europaische-Identitatsfindung-Das-Reich-ALS-Europaische-Vision-by-Michael-E-ig.pdf
    • http://muicuiu.dumb1.com/1a01a02a09a08a05a07/Europaische-Keramik-Seit-1950-Sammlung-Dr-Hans-Thiemann-E-Bestandskatalog-Ausstellung-Im-Museum-Fur-Kunst-U-Gewerbe-Hamburg-6-Juni-2-Septem-by-Heinz-Spielmann.pdf
    • http://muicuiu.dumb1.com/1a00a09a06a06a06a06/Europaische-Zentralbank-by-Otmar-Franz.pdf
    • http://muicuiu.dumb1.com/1a00a09a06a06a02a04/Europaische-Union-by-Josef-Weindl.pdf
    • http://muicuiu.dumb1.com/1a00a09a06a04a04a05/Einf-hrung-In-Die-Europ-ische-Ethnologie-by-Wolfgang-Kaschuba.pdf
    • http://muicuiu.dumb1.com/1a00a09a06a06a01a08/Europaische-Tourismuspolitik-by-Ursula-Braun-Moser.pdf
    • http://muicuiu.dumb1.com/1a01a00a00a01a09a05/Kodifikation-Und-Anpassung-Des-Bulgarischen-Ipr-an-Das-Europaische-Recht-by-Petja-Maesch.pdf
    • http://muicuiu.dumb1.com/1a00a00a06a05a08a06/Billie-Wilder-Eine-Europaische-Karriere-by-Andreas-Hutter.pdf
    • http://muicuiu.dumb1.com/6a05a09a08a04a06/Hans-Andersen-s-Fairy-Tales-Pictured-by-Mabel-Lucie-Attwell-by-Hans-Christian-Andersen.pdf
    • http://muicuiu.dumb1.com/1a01a00a01a00a07a03/Transit-46-Europ-ische-Revue-Krise-Kritik-Kapitalismus-by-J-rgen-Osterhammel.pdf
    • http://muicuiu.dumb1.com/9a00a03a03a00a03/London-Eine-europ-ische-Metropole-in-Texten-und-Bildern-by-Norbert-Kohl.pdf
    • http://muicuiu.dumb1.com/1a01a09a00a07a04a03/Europaische-Nachbarn--Vertraut-Und-Fremd-Padagogik-Interkultureller-Begegnungen-by-Lucette-Colin.pdf
    • http://muicuiu.dumb1.com/8a02a08a03a00a08/Evu-Das-Europaische-Schuldvertragsubereinkommen-Ubereinkommen-Uber-Das-Auf-Vertragliche-Schuldverhaltnisse-Anzuwendende-R-by-Joseph-Braunbeck.pdf
    • http://muicuiu.dumb1.com/1a01a00a08a09a00a04/Europaische-Entwicklungsroman-in-Europa-Und-Ubersee-Literarische-Lebensentwurfe-Der-Neuzeit-by-Heinz-Hillmann.pdf
    • http://muicuiu.dumb1.com/1a00a01a02a09a09a06/Europaische-Salons-Hohepunkte-Einer-Versunkenen-Weiblichen-Kultur-by-Verena-von-der-Heyden-Rynsch.pdf
    • http://muicuiu.dumb1.com/2a04a01a05a03a03/Panzer-Commander-The-Memoirs-of-Colonel-Hans-von-Luck-by-Hans-von-Luck.pdf
    • http://muicuiu.dumb1.com/3a08a02a08a03a05/Panzer-Commander-The-Memoirs-of-Colonel-Hans-von-Luck-by-Hans-von-Luck.pdf
    • http://muicuiu.dumb1.com/1a01a06a04a07a03a05/Europ-ische-Kleinsprachen-Zu-Lage-und-Status-der-kleinen-Sprachen-an-Schwelle-zum-dritten-Jahrtausend-by-Heinrich-P-Kelz.pdf
    • http://muicuiu.dumb1.com/1a00a06a00a03a00a07/Europ-ische-Perspektiven-Der-Demokratie-Historische-Pr-missen-Und-Aktuelle-Wandlungsprozesse-In-Der-Eu-Und-Ausgew-hlten-Nationalstaaten-by-Guido-Thiemeyer.pdf
    • http://muicuiu.dumb1.com/8a07a04a03a05a01/Die-Europaische-Friedensordnung-Und-Die-Souveranitat-Der-Staaten-Jubilaumskonferenz-25-Jahre-Hessische-Stiftung-Friedens--Und-Konfliktforschung-by-Bruno-Schoch.pdf

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