Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d9496f60dde0a3e…

MALICIOUS

PDF

28.6 KB Created: 2019-11-07 15:33:34 +00:00 Authoring application: mPDF 5.7
MD5: 3a70dac7ff812ed9b2700c8eab980168 SHA-1: 8e32eee2e00bdc4f69ad6c244d5c53e28d572a94 SHA-256: 0d9496f60dde0a3ed4f7106418df6aec95fbcb803102a7fb58030cc2d3cd5fa4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content, likely as part of a phishing or malware distribution campaign.

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://cefasfese.4pu.com/9732737733736734/deutsche-Barockliteratur-Wertung-Umwertung-eine-wertungsgeschichtliche-Studie-in-systematischer-Absicht-by-Herbert-Jaumann.pdf
    • http://cefasfese.4pu.com/9733739735739735/Eine-Studie-in-Sherlock-Eine-Studie-in-Scharlachrot-amp-Das-Zeichen-der-Vier-Zwei-Sherlock-Holmes-Romane-by-Arthur-Conan-Doyle.pdf
    • http://cefasfese.4pu.com/9732737733731738/Lords-of-the-Red-Sea-by-Herbert-Jaumann.pdf
    • http://cefasfese.4pu.com/9732737733735737/Diskurse-Der-Gelehrtenkultur-in-Der-Fr-hen-Neuzeit-Ein-Handbuch-by-Herbert-Jaumann.pdf
    • http://cefasfese.4pu.com/9732737733736733/Diskurse-Der-Gelehrtenkultur-in-Der-Fruhen-Neuzeit-by-Herbert-Jaumann.pdf
    • http://cefasfese.4pu.com/9732737733735738/Neue-Diskurse-Der-Gelehrtenkultur-in-Der-Fr-hen-Neuzeit-Ein-Handbuch-by-Herbert-Jaumann.pdf
    • http://cefasfese.4pu.com/9734739732735734/Man-Taucht-in-Eine-Andere-Welt-Ein-Lesestrategien-Beim-Lesen-Fremdsprachiger-Literatur--Eine-Empirische-Studie-Am-Beispiel-Slowenischer-Germanistikstudentinnen-Und--Studenten-by-Sasa-Jazbec.pdf
    • http://cefasfese.4pu.com/6737737733739735/Eine-Studie-in-Scharlachrot-by-Arthur-Conan-Doyle.pdf
    • http://cefasfese.4pu.com/9732737738736734/Sherlock-Holmes---Eine-Studie-in-Scharlachrot-by-Arthur-Conan-Doyle.pdf
    • http://cefasfese.4pu.com/1731734739739738730/Der-Friede-in-Europa-Eine-Volkerrechtlich-Politische-Studie-by-Eugen-Schlief.pdf
    • http://cefasfese.4pu.com/1731731731738734735/Die-Juditfigur-in-Der-Vulgata-Eine-Theologische-Studie-Zur-Lateinischen-Bibel-by-Lydia-Lange.pdf
    • http://cefasfese.4pu.com/1731734732732734736/Language-Awareness-Und-Bilingualer-Unterricht-Eine-Komparative-Studie-by-Sylvia-Fehling.pdf
    • http://cefasfese.4pu.com/5736731739733734/Eine-Studie-in-Scharlachrot-Der-erste-Roman-mit-Sherlock-Holmes-by-Arthur-Conan-Doyle.pdf
    • http://cefasfese.4pu.com/9735737739735734/Eine-Studie-in-Scharlachrot-Der-erste-Auftritt-von-Sherlock-Holmes-by-Arthur-Conan-Doyle.pdf
    • http://cefasfese.4pu.com/9733732738730737/Aspekte-Des-Menschseins-Im-Alten-Mesopotamien-Eine-Studie-Zu-Person-Und-Identitat-Im-2-Und-1-JT-V-Chr-by-Ulrike-Steinert.pdf
    • http://cefasfese.4pu.com/1730732734733739738/Rasmus-Rask-Und-Die-Grammatische-Tradition-Eine-Studie-Ueber-Den-Wendepunkt-In-Der-Sprachgeschichte-by-Paul-Diderichsen.pdf
    • http://cefasfese.4pu.com/1731736734736732734/K-rper-Und-Migration-Eine-Studie-Zu-K-rperinszenierungen-Junger-Frauen-in-Text-Und-Bild-by-Henrike-Terhart.pdf
    • http://cefasfese.4pu.com/1731733733735735731/Penetration-Und-Transformation-in-Franzoesisch-Westafrika-Eine-Historische-Studie-Zum-Problem-Der-Unterentwicklung-by-Wolfgang-Mayer.pdf
    • http://cefasfese.4pu.com/1730732731739730738/Die-Verhexte-Speise-Eine-Ethnopsychosomatische-Studie-Ueber-Das-Depressive-Syndrom-in-Nepal-by-Annette-Wiemann-Michaels.pdf
    • http://cefasfese.4pu.com/1731736733731731739/Deklinationsklassen-Wandel-Eine-Diachron-Kontrastive-Studie-Zur-Entwicklung-Der-Pluralallomorphie-Im-Deutschen-Niederlandischen-Schwedischen-Und-Danischen-by-Sebastian-K-rschner.pdf

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