Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba69b7eee831d76e…

MALICIOUS

PDF

27.4 KB Created: 2019-05-02 05:17:00 +01:00 Authoring application: mPDF 5.7
MD5: da6081045d0e7c0783d3abede47eba8b SHA-1: 6eb9729dd0a6721e5affafcf22076b054186480d SHA-256: ba69b7eee831d76ed140e4e6e866d0be6f09cbfaa8519644ed14e6f2017d082f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of links to external PDF files, many of which are hosted on the same domain. This technique is often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample.

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/8737735737733739/Die-Leiden-Des-Jungen-Werthers-Libretto-by-Hans-J-rgen-von-Bose.pdf
    • http://cefasfese.4pu.com/8737735736737739/Bouwwerk-in-Leiden-Brug-in-Leiden-Hofje-in-Leiden-Kerkgebouw-in-Leiden-Molen-in-Leiden-Poort-in-Leiden-Rijksmonument-in-Leiden-by-Bron-Wikipedia.pdf
    • http://cefasfese.4pu.com/8737735736737738/Leiden-Bouwwerk-in-Leiden-Cultuur-in-Leiden-Geografie-Van-Leiden-Geschiedenis-Van-Leiden-Onderwijs-in-Leiden-Politiek-in-Leiden-by-Wikipedia.pdf
    • http://cefasfese.4pu.com/8737735739731730/Geschiedenis-Van-Leiden-Burggraaf-Van-Leiden-Leidens-Ontzet-Pilgrim-Fathers-Politiek-in-Leiden-Voormalig-Bouwwerk-in-Leiden-Geuzen-Beleg-Van-Leiden-Pieterskerk-Pieter-Adriaansz-Van-Der-Werff-Vrijplaats-Koppenhinksteeg-by-Source-Wikipedia.pdf
    • http://cefasfese.4pu.com/9733736736732739/Literaturzensur-Und-Ihre-Umgehung-Im-Franquismus-Und-in-Der-Ddr-Zu--Cinco-Horas-Con-Mario-Miguel-Delibes-Und--Die-Neuen-Leiden-Des-Jungen-W-by-Daniela-Graf.pdf
    • http://cefasfese.4pu.com/6731735739738734/The-Sorrows-of-Young-Werther-Die-Leiden-Des-Jungen-Werther-by-Johann-Wolfgang-von-Goethe.pdf
    • http://cefasfese.4pu.com/1730736735739731732/B-se-Geschichten-Band-1-by-Hans-Kutscher.pdf
    • http://cefasfese.4pu.com/1731732734734734734/Mozart-s-THE-MAGIC-FLUTE-Die-Zauberflote-Libretto-Opera-Journeys-Libretto-Series-by-Burton-D-Fisher.pdf
    • http://cefasfese.4pu.com/8737735736738736/The-Admonitions-of-an-Egyptian-Sage-from-a-Hieratic-Papyrus-in-Leiden-pap-Leiden-344-Recto-by-Alan-H-Gardiner.pdf
    • http://cefasfese.4pu.com/9738736736733738/The-Lost-Hero-A-Biography-Of-Subhas-Bose-by-Mihir-Bose.pdf
    • http://cefasfese.4pu.com/1730735731730736731/Filmzensur-Und--Politik-in-Der-Ddr-Untersuchung-an-Ausgew-hlten-Filmen-Von-J-rgen-B-ttcher-in-Den-Sechziger-Jahren-by-Astrid-Hartmann.pdf
    • http://cefasfese.4pu.com/1730739736730732739/Deutschtum-Und-Magyarisierung-in-Ungarn-Und-Siebenb-rgen-Mit-Einer-Karte-Des-Anteils-Der-Deutschen-an-Der-Gesamtbev-lkerung-by-Fr-Guntram-Schultheiss.pdf
    • http://cefasfese.4pu.com/4739730730730737/Arion-amp-The-Dolphin-A-Libretto-by-Vikram-Seth.pdf
    • http://cefasfese.4pu.com/5739735733739735/Pelleas-and-Melisande-Libretto-by-Claude-Debussy.pdf
    • http://cefasfese.4pu.com/1731732734734733736/Die-Zauberfl-te-Libretto-by-Johann-Emanuel-Schikaneder.pdf
    • http://cefasfese.4pu.com/1731732734733735732/The-Magic-Flute-Die-Zauberflote-Libretto-by-Wolfgang-Amadeus-Mozart.pdf
    • http://cefasfese.4pu.com/9738734736733737/Von-G-ttern-und-Hirten---Das-Libretto-der-Zarzuela-im-17-Jahrhundert-by-Susanne-Ziese.pdf
    • http://cefasfese.4pu.com/1730736737735731736/Meine-Sicht-der-Dinge-Im-Gespr-ch-mit-Hans-Dieter-Heumann-by-Hans-Dietrich-Genscher.pdf
    • http://cefasfese.4pu.com/8737735737734731/Vondel-in-Leiden-by-J-Bosmans.pdf
    • http://cefasfese.4pu.com/8737735735733734/TCP-IP-for-Dummies-by-Candace-Leiden.pdf