Malicious PDF — malware analysis report

Static analysis result for SHA-256 efc788ae0ca16cc8…

MALICIOUS

PDF

36.5 KB Created: 2019-05-01 18:43:59 +01:00 Authoring application: mPDF 5.7
MD5: 9c4f4839439f50b5c741e92c8d8f253a SHA-1: 79f6610da55dfdc2546cb62b6b189cef7b033e94 SHA-256: efc788ae0ca16cc8da35376f9a4088a5d8545e0072c247cad024babc012601df
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to a domain that appears to be a link farm. The heuristic PDF_SEO_LINK_FARM indicates a high volume of external links within a small PDF, suggesting a malicious intent to manipulate search engine results or redirect users to potentially harmful content. The ML classifier also flagged the document as malicious with high confidence. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9656

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://loaminoo.linkpc.net/1091092095094095094/Vollst-ndiger-Unterricht-in-Der-Erziehung-Und-Behandlung-Der-Obstb-ume-Vom-Ersten-Keime-an-Bis-Zu-Ihrer-G-nzlichen-Vollendung-Nebst-Anzeige-Und-Beschriebung-Der-Mannichstaligen-Obstarten-Ihrer-Behandlung-Ihrer-Feinde-Und-Krankheiten-by-Johann-Christian-Gotthard.pdf
    • http://loaminoo.linkpc.net/7098092098097092/Trainspotting-Can-Never-Be-a-Film---Analyse-Der-Erzahlstruktur-Des-Films-Und-Romans-in-Ihrer-Bedeutung-Zur-Tiefenstruktur-Umsetzung-Analyse-Der-Erzahlstruktur-Des-Films-Und-Romans-in-Ihrer-Bedeutung-Zur-Tiefenstruktur-Umsetzung-by-Gideon-Koman.pdf
    • http://loaminoo.linkpc.net/1090098096091093091/Im-Geister-Palazzo-ihrer-Ahnen-by-Melissa-Anderson.pdf
    • http://loaminoo.linkpc.net/1091097097090096092/Illustrirter-Neuester-Bienenfreund-Eine-Vollst-ndige-Unterweisung-in-Der-Behandlung-Der-Bienen-Zu-Jeglicher-Jahreszeit-So-Wie-berhaupt-Zum-Vortheilhaftesten-Betrieb-Der-Bienenzucht-Auf-Grund-Der-Neuesten-Erfahrungen-by-Moritz-Beyer.pdf
    • http://loaminoo.linkpc.net/1091095092099094097/Die-Universit-t-T-bingen-in-Ihrer-Vergangenheit-Und-Gegenwart-by-Karl-August-Klupfel.pdf
    • http://loaminoo.linkpc.net/9095092094092096/Die-Schwedische-Stats-Verfassung-In-Ihrer-Geschichtlichen-Entwicklung-by-F-O-Friherre-Von-Nordenflycht.pdf
    • http://loaminoo.linkpc.net/1090098094095093099/Menschen-Mit-Geistiger-Behinderung-Gestalter-Ihrer-Welt-by-Michael-Wagner.pdf
    • http://loaminoo.linkpc.net/6094091097090091/Die-Franz-sische-Pendule-Des-18-Jahrhunderts-Ein-Beitrag-Zu-Ihrer-Ikonologie-by-Klaus-Maurice.pdf
    • http://loaminoo.linkpc.net/1090096091098090093/Die-Bohmische-Frage-in-Ihrer-Jungsten-Phase-by-Joseph-Alexander-Freiherr-Von-Helfert.pdf
    • http://loaminoo.linkpc.net/1090094090094099094/Kelten-Celts-Bilder-Ihrer-Kultur-Images-of-Their-Culture-by-Helmut-Birkhan.pdf
    • http://loaminoo.linkpc.net/9093091096097090/Die-gesammelten-Peinlichkeiten-unserer-Eltern-in-der-Reihenfolge-ihrer-Erstauff-hrung-by-Kevin-Wilson.pdf
    • http://loaminoo.linkpc.net/1090098099094095090/Vierzig-Jahre-Grundrechte-in-Ihrer-Verwirklichung-Durch-Die-Gerichte-by-Wolfgang-Heyde.pdf
    • http://loaminoo.linkpc.net/1090093095099092094/Deutsche-Siedung-ber-See-Ein-Abriss-Ihrer-Geschichte-Und-Ihr-Gedeihen-in-Rio-Grande-Do-Sul-by-Alfred-Funke.pdf
    • http://loaminoo.linkpc.net/1090097097096096095/Die-gesammelten-Peinlichkeiten-unserer-Eltern-in-der-Reihenfolge-ihrer-Erstauff-hrung-Roman-by-Kevin-Wilson.pdf
    • http://loaminoo.linkpc.net/1090092099093090096/Sachliche-Intensitaeten-Walter-Serners--Erotische-Kriminalgeschichten--In-Ihrer-Epoche-by-Ulrich-Hackenbruch.pdf
    • http://loaminoo.linkpc.net/9097097098096091/Die-Kraft-des-bewussten-F-hlens-Ein-Handbuch-um-n-her-an-Ihrer-eigenen-Wahrheit-zu-leben-by-Clinton-Callahan.pdf
    • http://loaminoo.linkpc.net/8097092097095093/Und-Sie-Lebten-Glucklich-Bis-ANS-Ende-Ihrer-Tage-Eine-Soziologische-Analyse-Der-Auflosungsphase-in-Zweierbeziehung-Und-Ehe-by-Jackeline-Bernarding.pdf
    • http://loaminoo.linkpc.net/1091092091097095090/Die-Tage-In-L-Dar-ber-Dass-Die-Ddr-Und-Die-Brd-Sich-Niemals-Verst-ndigen-K-nnen-Geschweige-Mittels-Ihrer-Literatur-by-Ronald-M-Schernikau.pdf
    • http://loaminoo.linkpc.net/1090093095099092093/Deutsche-Siedlung-Uber-See-Ein-Abriss-Ihrer-Geschichte-Und-Ihr-Gedeihen-in-Rio-Grande-Do-Sul---Primary-Source-Edition-by-Alfred-Funke.pdf
    • http://loaminoo.linkpc.net/1091098094095090099/Selbstbewusstsein-Der-Weg-in-ein-erf-lltes-Leben-Wie-Sie-durch-selbstbewusstes-Auftreten-Ihrer-Ausstrahlung-auf-die-Spr-nge-helfen-by-Dorothea-Maxima-von-Burgmettingen.pdf
    • http://loaminoo.linkpc.net/109109

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