Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d75364732178748…

MALICIOUS

PDF

27.0 KB Created: 2020-01-02 06:03:54 +00:00 Authoring application: mPDF 5.7
MD5: 9e7971ddfe6877a0784e3f8855f2a8a8 SHA-1: c6dc00ec6d3dd3defc1665b9ef1dd60933ac30cd SHA-256: 8d753647321787488851c38d98c9642ed82e163fd56610529468868aab55217b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. The primary heuristic indicates this is a mass external PDF link farm, suggesting a social engineering tactic to direct users to potentially 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/1730735735739732730/Alltag-in-Peking-Eine-Frau-Aus-Dem-Westen-Erlebt-Das-Heutige-China-by-Lois-Fisher-Ruge.pdf
    • http://cefasfese.4pu.com/1730735735739737732/Survival-In-Russia-Chaos-And-Hope-In-Everyday-Life-by-Lois-Fisher-Ruge.pdf
    • http://cefasfese.4pu.com/1731732736739736739/China-Where-To-Go-What-To-See---A-China-Travel-Guide-China-Shanghai-Beijing-Xian-Peking-Guilin-Hong-Kong-Book-1-by-Worldwide-Travellers.pdf
    • http://cefasfese.4pu.com/4739737733736736/Peking-Story-The-Last-Days-of-Old-China-by-David-Kidd.pdf
    • http://cefasfese.4pu.com/1736733736731/Midnight-in-Peking-How-the-Murder-of-a-Young-Englishwoman-Haunted-the-Last-Days-of-Old-China-by-Paul-French.pdf
    • http://cefasfese.4pu.com/2732731734738739/Midnight-in-Peking-How-the-Murder-of-a-Young-Englishwoman-Haunted-the-Last-Days-of-Old-China-by-Paul-French.pdf
    • http://cefasfese.4pu.com/1732734732732730/Midnight-in-Peking-How-the-Murder-of-a-Young-Englishwoman-Haunted-the-Last-Days-of-Old-China-by-Paul-French.pdf
    • http://cefasfese.4pu.com/1730736730736733732/Sport-Peking-Sportveranstaltung-in-Peking-Olympische-Sommerspiele-2008-Eishockey-Weltmeisterschaft-Der-Herren-2000-by-Quelle-Wikipedia.pdf
    • http://cefasfese.4pu.com/1731734735739730733/Richtig-Geld-verdienen-in-China-Tipps-f-r-Reise-Alltag-und-Gesch-ft-by-Martin-Krott.pdf
    • http://cefasfese.4pu.com/1731732738733730730/Ruth-Drexel-Eine-Frau-mit-Eigensinn-by-Gunna-Wendt.pdf
    • http://cefasfese.4pu.com/8738737733736731/Briefe-an-eine-junge-Frau-by-Rainer-Maria-Rilke.pdf
    • http://cefasfese.4pu.com/1730735730732731734/Der-Bergdoktor---Folge-1695-Eine-ungeliebte-Frau-by-Andreas-Kufsteiner.pdf
    • http://cefasfese.4pu.com/8738738739733730/Eine-Frau-f-r-MacKinnon-Die-Frauen-der-Highlands-1-by-Tanya-Anne-Crosby.pdf
    • http://cefasfese.4pu.com/1731731730730732731/Eine-Frau-vom-Leid-gezeichnet-Dr-Norden-35---Arztroman-by-Patricia-Vandenberg.pdf
    • http://cefasfese.4pu.com/9731733735739735/Ohne-Orgasmus-w-re-ich-nie-gekommen-Eine-Frau-packt-aus-by-Thea-Fink.pdf
    • http://cefasfese.4pu.com/1731735730732730731/Der-Zw-lfte-Mann-ist-eine-Frau-Mein-unerh-rtes-Leben-als-Fu-ball-Fan-by-Wiebke-Porombka.pdf
    • http://cefasfese.4pu.com/9734734735736736/Gertrudas-Versprechen-Eine-mutige-Frau-und-ein-j-disches-Kind-Die-Geschichte-einer-dramatischen-Rettung-by-Ram-Oren.pdf
    • http://cefasfese.4pu.com/1731738738730739731/Dem-s-en-Tod-entronnen-Droge-Zucker-Eine-Frau-k-mpft-ums-berleben-Mit-wissenschaftlichen-Erg-nzungen-by-Kerstin-Weber.pdf
    • http://cefasfese.4pu.com/1730731733731739730/Die-Spionin-die-liebte-Eine-erotische-Geschichte-Wicked-Twenties-4-by-S-M-Fisher.pdf
    • http://cefasfese.4pu.com/1730738737730737734/Die-Stellung-Der-Frau-Im-Reichsstrafgesetzbuch-Von-1870-71-Und-in-Den-Reformentwuerfen-Bis-1919-Im-Urteil-Der-Buergerlichen-Frauenbewegung-Eine-Analyse-Ausgewaehlter-Straftatbestaende-by-Alexandra-Gilde.pdf
    • http://cefasfese.4pu.com/1736733736731/Midnight-in-Peking-How-the-Murder-of-a-Young-Englishwoman-Haunted-the-Last-Days-

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