Malicious PDF — malware analysis report

Static analysis result for SHA-256 04eaa2a0a201e095…

MALICIOUS

PDF

37.3 KB Created: 2019-06-09 11:48:44 +01:00 Authoring application: mPDF 5.7
MD5: feef56d1100341b93e36f6db2cd21c29 SHA-1: a8b0543c3f938f38af8088d1ba31535ef5672065 SHA-256: 04eaa2a0a201e09592d9cfd6249bdb6f27081c68001f0f1c9a6a69985447e220
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links pointing to external PDF files hosted on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact lure, but the sheer volume of links suggests a malicious intent to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9636

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/1730732735736730730/Forschungen-Zur-Brandenburgischen-Und-Preussischen-Geschichte-Vol-30-Neue-Folge-Der-Markischen-Forschungen-Des-Pereins-Sur-Geschichte-Der-Mark-Brandenburg-in-Berdenbung-Mit-Oto-Shinge-Erste-H-lfte-by-Melle-Klintenborg.pdf
    • http://cefasfese.4pu.com/9732730738733736/Einf-hrung-in-Das-Alte-Testament-Geschichte-Literatur-U-Religion-Israels-H-lfte-1-by-Johannes-Meinhold.pdf
    • http://cefasfese.4pu.com/8738738735731732/Geschichte-Hannover-Geschichte-Der-Stadt-Hannover-Geschichte-Der-Strassenbahn-in-Hannover-Liste-Abgegangener-Bauwerke-in-Hannover-by-Quelle-Wikipedia.pdf
    • http://cefasfese.4pu.com/6735731738738730/Die-Geschichte-Der-Elektrischen-Triebfahrzeuge-Band-1-Die-Geschichte-Der-Elektrolokomotive-by-Haut.pdf
    • http://cefasfese.4pu.com/9735730735731736/Sie-nennen-mich-Verr-ter-Wie-ich-in-Kairo-Jesus-fand-und-eine-neue-Geschichte-begann-by-Abu-Atallah.pdf
    • http://cefasfese.4pu.com/1730735739731733735/Menschheits-Geschichte-Die-Geschichte-der-Menschheit-by-D-Selzer-McKenzie.pdf
    • http://cefasfese.4pu.com/1731731731730739734/Selbstmord-Kindsmord-Hinrichtung-Und-Sterben-ALS-Folge-Und-Erfullung-Verschiedener-Ehrvorstellungen-in-Brentanos-Geschichte-Vom-Braven-Kasperl-Und-D-by-Katharina-Theilen.pdf
    • http://cefasfese.4pu.com/1730738731731737739/Das-Italienische-Deutschlandbild-in-Seiner-Geschichte-Band-III-Das-Kurze-Zwanzigste-Jahrhundert-1914-1989-Teil-1-Italien-Gegen-Deutschland-Der-Erste-Weltkrieg-by-Klaus-Heitmann.pdf
    • http://cefasfese.4pu.com/1731730739732739737/Medizingeschichte-Penicillin-Ergotismus-Vivisektion-Entartung-Engelmacher-Lobotomie-Aderlass-Skrofulose-Sanguiniker-Geschichte-Der-Hirnforschung-Geschichte-Der-Krankenpflege-Poliomyelitis-Bisamapfel-HIV-Prozess-in-Libyen-by-Source-Wikipedia.pdf
    • http://cefasfese.4pu.com/1731737732738733730/Ungl-ubige-Frauen-betr-gen-ist-keine-S-nde-Eine-wahre-Geschichte-aus-Tunesien-True-Story---Wahre-Geschichte-9-by-Berit-M-.pdf
    • http://cefasfese.4pu.com/1731737736736734731/Kunstler-Im-Klassenkampf-Sonderausstellung-Des-Museums-Fur-Deutsche-Geschichte-April-Bis-Juni-1988-by-Museum-F-Ur-Deutsche-Geschichte.pdf
    • http://cefasfese.4pu.com/6737734735735738/Geschichte-Von-Czernowitz-Von-Den-ltesten-Zeiten-Bis-Zur-Gegenwart-Festschrift-Zum-Sechzigj-hrigen-Regierungsjubil-um-Sr-Majest-t-Kaiser-Franz-Joseph-I-Und-Zur-Erinnerung-an-Die-Erste-Urkundliche-Erw-hnung-Von-Czernowitz-VOR-500-Jahren-Auf-Veran-by-Raimund-Friedrich-Kaindl.pdf
    • http://cefasfese.4pu.com/5735733730731730/Jahrbuch-F-r-J-dische-Geschichte-Und-Literatur-1916-Vol-19-Herausgegeben-Vom-Verbande-Der-Vereine-F-r-J-dische-Geschichte-Und-Literatur-in-Deutschland-by-Simon-Bernfeld.pdf
    • http://cefasfese.4pu.com/1730736732732738739/Jahrbuch-F-r-J-dische-Geschichte-Und-Literatur-1913-Vol-16-Herausgegeben-Von-Verbande-Der-Vereine-F-r-J-dische-Geschichte-Und-Literatur-in-Deutschland-by-A-Berliner.pdf
    • http://cefasfese.4pu.com/1731732734735737737/Spurlos-verschwunden-in-Tunesien-Eine-wahre-Geschichte-von-Marlene-H-True-Story---Wahre-Geschichte-23-by-Marlene-H-.pdf
    • http://cefasfese.4pu.com/1730738733736733736/Arbeit-in-Geschichte-Geschichte-in-Arbeit-by-Georg-Bussmann.pdf
    • http://cefasfese.4pu.com/1730733736738739739/Judentum-in-Russland-Judische-Geschichte-Russland-Synagoge-in-Russland-Judische-Autonome-Oblast-Geschichte-Der-Juden-in-Russland-by-Quelle-Wikipedia.pdf
    • http://cefasfese.4pu.com/1730732735734738731/Mes-Bons-Petits-Plats-de-Printemps-18-recettes-vegan-sans-gluten-La-Cuisine-Bio-V-g-tale-de-Melle-Pigut-t-2-by-Melle-Pigut.pdf
    • http://cefasfese.4pu.com/1730732734737733730/R-mische-Geschichte-by-Otto-Veh.pdf
    • http://cefasfese.4pu.com/1731737736730738736/Das-Attentat-in-der-Geschichte-by-Alexander-Demandt.pdf

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