Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2d41afca249eff5…

MALICIOUS

PDF

28.3 KB Created: 2019-05-03 05:06:51 +01:00 Authoring application: mPDF 5.7
MD5: f27d6c237303f0218cd5897f962c99d3 SHA-1: 2240b3f259bd1dc9f94c6bb9b531faf498038bc6 SHA-256: a2d41afca249eff5fe3e86e151dedd8e7ee32aec345125a83850fc21be17aefc
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a large number of embedded links, indicating a link farm or redirection attempt. The heuristic PDF_SEO_LINK_FARM specifically identifies this behavior, suggesting the document's primary purpose is to drive traffic to external URLs. While the document body is unreadable, the presence of numerous links points towards a phishing or malicious content delivery strategy.

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://muicuiu.dumb1.com/9a06a05a03a09a07/Zeugen-der-Zeit-Eine-Geschichte-K-lns-in-Biographien-by-Alexander-Hengstler.pdf
    • http://muicuiu.dumb1.com/1a01a00a02a08a09a08/Quo-Vadis---Geschichte-aus-der-Zeit-Neros-Vollst-ndige-deutsche-Ausgabe-Eine-Liebesgeschichte-in-der-Zeit-der-Christenverfolgungen-by-Henryk-Sienkiewicz.pdf
    • http://muicuiu.dumb1.com/9a03a01a08a00a05/Katastrophe-Und-Hoffnung-Eine-Geschichte-Der-Welt-In-Unserer-Zeit-Eine-Auswahlausgabe-by-Carroll-Quigley.pdf
    • http://muicuiu.dumb1.com/1a00a04a02a02a03a09/-quot-Schweig-quot-Eine-wahre-Geschichte-Meine-entt-uschende-Zeit-in-der-Kirche-by-Marlon-Possard.pdf
    • http://muicuiu.dumb1.com/1a01a09a08a08a00a09/Gerechter-Papst-oder-edler-K-nig-Ein-katholischer-und-ein-protestantischer-Historiker-des-19-Jahrhunderts-bewerten-den-Gang-nach-Canossa-by-Alexander-Hengstler.pdf
    • http://muicuiu.dumb1.com/9a03a02a07a09a08/Was-Heisst-in-Der-Geschichte-Stehen-Eine-Studie-Zum-Verhaltnis-Von-Geschichte-Und-Menschsein-by-Rainer-Hohmann.pdf
    • http://muicuiu.dumb1.com/1a00a06a01a09a05a00/Der-L-gner-aus-dem-Orient-Eine-wahre-Geschichte-True-Story---Wahre-Geschichte-2-by-Rosemarie-M-.pdf
    • http://muicuiu.dumb1.com/9a04a03a03a09a07/Geschichte-des-Westens-Die-Zeit-der-Gegenwart-by-Heinrich-August-Winkler.pdf
    • http://muicuiu.dumb1.com/1a00a08a00a02a04a07/Die-Erneuerung-unseres-Geldsystems-Eine-Hand-voll-Ma-nahmen-f-r-eine-bewusste-Gesellschaft-mit-einer-gesunden-Wirtschaft-by-Alexander-Seiffert.pdf
    • http://muicuiu.dumb1.com/3a09a06a06a08/Im-roten-Hinterhaus-Die-Geschichte-einer-Familie-in-verworrener-Zeit-by-Peter-Berger.pdf
    • http://muicuiu.dumb1.com/1a01a02a04a05a07a07/Spurlos-verschwunden-in-Tunesien-Eine-wahre-Geschichte-von-Marlene-H-True-Story---Wahre-Geschichte-23-by-Marlene-H-.pdf
    • http://muicuiu.dumb1.com/9a03a04a05a01a01/Gestohlene-Zeit-Eine-Liebeserkl-rung-by-Carola-Arndt.pdf
    • http://muicuiu.dumb1.com/1a01a09a06a04a03a02/Alltag-in-der-Weimarer-Republik-Erinnerungen-an-eine-unruhige-Zeit-by-Rudolf-P-rtner.pdf
    • http://muicuiu.dumb1.com/1a00a08a05a07a05a07/Die-Zukunft-die-wir-wollen-Radikale-Ideen-f-r-eine-neue-Zeit-by-Sarah-Leonard.pdf
    • http://muicuiu.dumb1.com/5a06a00a06a07a01/Alexander-Men-Ein-Zeuge-F-r-Christus-in-Unserer-Zeit-Dokumente-Des-Glaubens-by-Yves-Hamant.pdf
    • http://muicuiu.dumb1.com/8a09a07a04a01a07/Die-Zukunft-Gottes-Eine-praktische-Ann-herung-an-die-Spiritualit-t-f-r-unsere-Zeit-by-Deepak-Chopra.pdf
    • http://muicuiu.dumb1.com/1a01a00a09a02a09a04/Geschichte-Der-Genetisch-Orientierten-Hirnforschung-Von-Cecile-Und-Oskar-Vogt-1875-1962-1870-1959-in-Der-Zeit-Von-1895-Bis-CA-1927-by-Helga-Satzinger.pdf
    • http://muicuiu.dumb1.com/9a08a08a04a09a03/Novizin-287-Eine-SM-Geschichte-by-Mo-Yara.pdf
    • http://muicuiu.dumb1.com/9a07a06a00a03a04/Die-Herrin-Eine-schaurige-Novelle-aus-boeser-alter-Zeit-Preiswerte-Volksausgabe-by-Helmut-Barz.pdf
    • http://muicuiu.dumb1.com/9a03a02a05a02a02/Flucht-im-Mondlicht-Eine-Geschichte-aus-Afghanistan-by-N-H-Senzai.pdf
    • http://muicuiu.dumb1.com/1a00a04a02a02a03a09/-quot-Schweig

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