Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcb83c05c2c59b16…

MALICIOUS

PDF

29.6 KB Created: 2019-04-30 03:42:37 +01:00 Authoring application: mPDF 5.7
MD5: e5963cdab5a96bc6195ac548cabd4228 SHA-1: 9f1c7d325302d4a36793114a2a927ebdfd00c604 SHA-256: fcb83c05c2c59b163a4819b4a59c4ea5d4021d265f238613592289bf18991b75
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While many of these links point to benign-looking book titles, the sheer volume and the ML classifier's high confidence score suggest a malicious intent, likely for SEO manipulation or to distribute further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9684

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.c
    • http://muicuiu.dumb1.com/1a00a05a00a06a04a09/Unser-Astoria-Erinnerungen-an-Bremens-gro-es-Variet-in-den-f-nfziger-und-sechziger-Jahren-by-Monika-Felsing.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a05a04a02/Die-SPD-in-Den-Sechziger-Und-Siebziger-Jahren-by-Aladdin-Sarhan.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a06a04a06/Gustav-Heinemann-und-die-SPD-in-den-sechziger-Jahren-by-Karl-Ludwig-Sommer.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a07a01a01/Perestrojka-Und-Nos-Funktionsprobleme-Der-Sowjerischen-Wortschaftsreform-Un-Die-Erfahrungen-Der-Ddr-in-Den-Sechziger-Jahren-by-Hannelore-Hamel.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a06a03a08/Erklarung-Der-Migration-Turkischer-Arbeitskrafte-Nach-Westeuropa-in-Den-Sechziger-Jahren-by-Luisa-Eilers.pdf
    • http://muicuiu.dumb1.com/1a00a05a01a00a05a06/Die-Sed-Und-Die-Historie-Die-Etablierung-Der-Marxistisch-Leninistischen-Geschichtswissenschaft-Der-Ddr-In-Den-F-nfziger-Und-Sechziger-Jahren-by-Ulrich-Neuhausser-Wespy.pdf
    • http://muicuiu.dumb1.com/1a00a05a01a00a05a08/Macht-Maerkte-Und-Moral-Zur-Rolle-Der-Menschenrechte-in-Der-Au-enpolitik-Der-Bundesrepublik-Deutschland-in-Den-Sechziger-Und-Siebziger-Jahren-by-Philipp-Rock.pdf
    • http://muicuiu.dumb1.com/1a00a05a01a00a05a07/Macht-Markte-Und-Moral-Zur-Rolle-Der-Menschenrechte-in-Der-Aussenpolitik-Der-Bundesrepublik-Deutschland-in-Den-Sechziger-Und-Siebziger-Jahren-by-Philipp-Rock.pdf
    • http://muicuiu.dumb1.com/1a00a05a01a00a05a03/Abschied-Von-Der-Konfessionellen-Identitat-Diakonie-Und-Caritas-in-Der-Modernisierung-Des-Deutschen-Sozialstaats-Seit-Den-Sechziger-Jahren-by-Andreas-Henkelmann.pdf
    • http://muicuiu.dumb1.com/1a00a05a01a00a06a04/Die-Darstellung-Irlands-in-Der-Modernen-Irischen-Short-Story-Eine-Bestandsaufnahme-Zur-Thematisch-Inhaltlichen-Ausrichtung-Irischer-Short-Story-Autoren-in-Den-Sechziger-Und-Siebziger-Jahren-by-Wolfgang-F-W-Schmitz.pdf
    • http://muicuiu.dumb1.com/1a00a01a05a04a04a00/Der-Kaiser-Und-Der-S-dafrikanische-Krieg-5-Kapitel-Des-Buches-Gedanken-Und-Erinnerungen-an-Den-Krieg-Englands-Gegen-Die-Burenstaaten-in-Den-Jahren-1899-1900-by-Furchtegott-Peinlich.pdf
    • http://muicuiu.dumb1.com/1a01a03a05a01a08a03/Kopfsache-schlank-Wie-wir-ber-unser-Gehirn-unser-Gewicht-steuern-by-Marion-Reddy.pdf
    • http://muicuiu.dumb1.com/2a01a01a01a07a09/Astoria-by-Washington-Irving.pdf
    • http://muicuiu.dumb1.com/3a07a05a07a03a03/Coming-to-Astoria-by-Omar-Kiam.pdf
    • http://muicuiu.dumb1.com/4a01a01a08a08a06/Astoria-The-Blood-Moon-by-Donna-Theiler.pdf
    • http://muicuiu.dumb1.com/8a06a00a05a07a09/Burkhard-Pahl-amp-Monika-Weber-Pahl-Structure-in-Mind-by-Monika-Weber-Pahl.pdf
    • http://muicuiu.dumb1.com/2a05a04a01a08a07/Astoria-John-Jacob-Astor-and-Thomas-Jefferson-s-Lost-Pacific-Empire-A-Story-of-Wealth-Ambition-and-Survival-by-Peter-Stark.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a05a03a04/Die-wilden-sechziger-Jahre-by-Roxanne-Quandt.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a05a03a09/Japanische-Plakate-Sechziger-Jahre-Bis-Heute-by-Wichmann.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a05a03a05/Zero-Eine-Avantgarde-Der-Sechziger-Jahre-by-Anette-Kuhn.pdf

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