Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f635f11afa20e0a…

MALICIOUS

PDF

43.1 KB Created: 2019-05-06 16:57:39 +01:00 Authoring application: mPDF 5.7
MD5: 918e46025b5cfa5da35265a7697d65dd SHA-1: 4e805bf022f926bfc88aed512ed8d54ff193b8bf SHA-256: 2f635f11afa20e0aff827fc94dfd4c17390b903a8083f78d9e7ac5d466239f9f
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the document body is unreadable, the presence of numerous external links suggests a malicious intent, possibly for SEO manipulation or to distribute further malware. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9698

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/9a06a02a07a08a02/Helga-oder-mit-der-al-Qaida-nach-Sibirien-by-Rebecca-Hohlbein.pdf
    • http://muicuiu.dumb1.com/9a02a03a00a08a01/Die-Leute-Trinken-Zuviel-Kommen-Gleich-Mit-Flaschen-An-Oder-Melden-Sich-Gar-Nicht-Oder-Georgs-Abschiede-Und-Atempausen-Nach-Dem-Verhinderten-Werdegang-Sprechtexte-Essays-by-Jan-Faktor.pdf
    • http://muicuiu.dumb1.com/9a02a07a02a09a04/Helga-R-tli-sallid-Knitted-Shawls-of-Helga-R-tel-by-Helga-R-tel.pdf
    • http://muicuiu.dumb1.com/1a01a08a01a00a07a04/Galgenv-gel-Oder-Die-Im-Dunkeln-Kriegt-Man-Nicht-Ungekl-rte-Kriminalf-lle-Nach-1945-by-Robert-Geher.pdf
    • http://muicuiu.dumb1.com/8a09a08a04a00a09/Die-Schinkenreise-Oder-auch-Wollt-ihr-wirklich-nur-wegen-Schinken-nach-Spanien-reisen-by-Carsten-Osterburg.pdf
    • http://muicuiu.dumb1.com/9a00a03a07a00/Helga-s-Diary-A-Young-Girl-s-Account-of-Life-in-a-Concentration-Camp-by-Helga-Weiss.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/9a09a01a00a00a07/Der-Riese-Haymon-oder-die-wahre-Geschichte-wie-ein-frommer-Adelsherr-zum-Drachent-ter-und-Klostergr-nder-und-nach-Jahrhunderten-zum-Namenspatron-f-r-einen-Literaturverlag-wird-by-Michael-Forcher.pdf
    • http://muicuiu.dumb1.com/8a09a08a04a06a09/Benutzt-mich-bis-ihr-abspritzt-Macht-mit-mir-was-ihr-wollt-Hauptsache-gleich-tropft-euer-Sperma-aus-meinen-L-chern-oder-von-meinen-Titten-by-Rebecca-Oldmann.pdf
    • http://muicuiu.dumb1.com/9a08a05a00a02a01/Sechzehn-Jahre-in-Sibirien-by-Ren-Descartes.pdf
    • http://muicuiu.dumb1.com/6a09a09a04a09a03/Tartuffe-oder-Der-Betr-ger-Der-Betrogene-oder-George-Dandin-Vorspiel-in-Versailles-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/1a01a00a02a07a03a05/Auf-einen-Sprung-nach-Paris-KGW-zu-B-cher-nach-Cover-by-Rike-Thome.pdf
    • http://muicuiu.dumb1.com/1a00a09a06a06a03a08/Leonhard-Christoph-Sturms-Vollstandige-Anweisung-Die-Bogen-Stellungen-Nach-Der-Civil-Bau-Kunst-in-Allen-Fallen-Recht-Einzutheilen-Mit-Zwey-Tabellen-Erklaret-Insonderheit-Von-Sieges-Bogen-Oder-Ehren-Pforten-Recht-Ausfuhrliche-Nachricht-Gegeben-by-Leonhard-Christoph-Sturm.pdf
    • http://muicuiu.dumb1.com/1a00a07a09a07a08a03/Irondead---Der-achte-Tag-by-Wolfgang-Hohlbein.pdf
    • http://muicuiu.dumb1.com/1a01a04a05a06a00a06/DER-BAIKALSEE-Ein-Sommerm-rchen-Tipps-des-Reiseleiters-durch-Sibirien-und-Transsib-by-Dmitrii-Khokhlov.pdf
    • http://muicuiu.dumb1.com/9a02a05a09a04a07/Fluch-der-Karibik-Pirates-of-the-Caribbean-1-by-Wolfgang-Hohlbein.pdf
    • http://muicuiu.dumb1.com/1a01a07a03a02a08a09/Sibirien-1977---1978---Ein-DDR-Auslandskader-erz-hlt-Zwischen-Dschungel-Taiga-Savanne-W-ste-und-Heimat-by-G-nter-Mosler.pdf
    • http://muicuiu.dumb1.com/9a05a01a03a08a07/Sarsena-Oder-Der-Vollkommene-Baumeister-Enthaltend-Die-Geschichte-Und-Entstehung-Des-Freymaurerordens-Und-Die-Verschiedenen-Meinungen-Dar-ber-Etc-Vol-2-Oder-Freym-thige-Bemerkungen-ber-Den-Bey-Kunz-in-Bamberg-Erschienenen-Sarsena-U-S-W-by-Johann-Friedrich-Christoph-Gerlach.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a04a02a09/Australien-Nach-Dem-Stande-Der-Geographischen-Kenntniss-in-1871-Vol-2-Nach-Originalen-Und-Offiziellen-Quellen-Kartographisch-Nebst-Einem-Geographisch-Statistischen-Compendium-Die-S-dh-lfte-Australiens-in-4-Kartenbl-ttern-by-August-Petermann.pdf
    • http://muicuiu.dumb1.com/9a05a01a03a09a00/Sarsena-Oder-Der-Vollkommene-Baumeister-Enthaltend-Die-Geschichte-Und-Entstehung-Des-Freymaurerordens-Und-Die-Verschiedenen-Meinungen-Dar-ber-Rc-Zweiter-Theil-Oder-Freym-thige-Bemerkungen-ber-Den-Bey-Kunz-in-Bamberg-Erschienenen-Sarsena-U-S-W-by-Johann-Christoph-Friedrich-Gerlach.pdf
    • http://muicuiu.dumb1.com/9a02a03a00a08a01/Die-Leute-Trinken-Zuviel-Kommen-Gleich-Mit-Flaschen-An-O

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