Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd7d47e43e0d49f4…

MALICIOUS

PDF

19.1 KB Created: 2019-04-30 04:37:00 +01:00 Authoring application: mPDF 5.7
MD5: ed4a436b8b733b40ce7c2cf7d8a790f7 SHA-1: 74e2f8bb4d6232a4ef405878b9c8f3d098e57861 SHA-256: dd7d47e43e0d49f49e6163bddb49a91676cd29c45a55750e4bc66ae0300667ae
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the ML classifier strongly indicates maliciousness, the specific intent beyond link farming is unclear due to the lack of executable scripts or exploitable content in the provided excerpts. The primary attack pattern observed is the distribution of numerous links, likely to manipulate search engine results or redirect users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/1090092090095095099/Wenn-s-brennt-Roman-by-Stephan-Reich.pdf
    • http://loaminoo.linkpc.net/1091093090092098090/Wenn-ich-einmal-reich-w-r-Tr-umen-ist-gut-planen-ist-besser-Der-Finanzratgeber-f-r-Frauen-by-Helma-Sick.pdf
    • http://loaminoo.linkpc.net/1091097094096099097/Mechanische-Tr-ume-by-Thomas-Reich.pdf
    • http://loaminoo.linkpc.net/1091096093094090092/Angriff-der-Killerfotzen-by-Thomas-Reich.pdf
    • http://loaminoo.linkpc.net/9099091093091097/Korruption-Wenn-Eigennutz-vor-Gemeinwohl-steht-by-Thomas-Schirrmacher.pdf
    • http://loaminoo.linkpc.net/8099099091093099/Wo-Sind-All-Die-Schafe-Hin-Erinnerungen-Eines-Drecksacks-by-Thomas-Reich.pdf
    • http://loaminoo.linkpc.net/1091090091090090091/Sicher-anlegen-Was-Sie-wissen-sollten-wenn-Sie-Geld-investieren-Was-tun-wenn-etwas-schief-l-uft-Ausgabe-sterreich-by-Angelika-Ahrens.pdf
    • http://loaminoo.linkpc.net/6094091099098092/The-First-and-Final-Nightmare-of-Sonia-Reich-by-Howard-Reich.pdf
    • http://loaminoo.linkpc.net/1094092098093099/The-Third-Reich-in-Power-The-History-of-the-Third-Reich-2-by-Richard-J-Evans.pdf
    • http://loaminoo.linkpc.net/1091097091096091092/Lass-uns-in-Frieden-auseinandergehen-Wenn-die-Liebe-endet---Die-5-Schritte-des-quot-Conscious-Uncoupling-quot-by-Katherine-Woodward-Thomas.pdf
    • http://loaminoo.linkpc.net/1091094095097096095/Es-juckt-so-f-rchterlich-Herr-Richter-Die-Skurrilsten-und-schrillsten-F-lle-aus-dem-Gerichtsalltag-by-Uta-Eisenhardt.pdf
    • http://loaminoo.linkpc.net/1090097095093090090/Der-Weg-zum-Gl-ck-3-Zweimal-Gerettet-by-Karl-May.pdf
    • http://loaminoo.linkpc.net/1090097095092096098/ZWEIMAL-DEN-TRAUMMANN-BITTE-by-Kitty-van-Arck.pdf
    • http://loaminoo.linkpc.net/1091095090091091095/James-Bond-12---Man-lebt-nur-zweimal-by-Ian-Fleming.pdf
    • http://loaminoo.linkpc.net/1090097095091097098/Zweimal-Himmel-und-zur-ck-by-Linda-Howard.pdf
    • http://loaminoo.linkpc.net/1090097095093095091/Zweimal-Endlich-ist-Unendlich-by-Krause-Mike.pdf
    • http://loaminoo.linkpc.net/1090097095092099094/Man-k-sst-sich-immer-zweimal-by-Petra-Kasch.pdf
    • http://loaminoo.linkpc.net/1090097095092099099/Zweimal-Kempten-Geschichte-Einer-Doppelstadt-1694-1836-by-Wolfgang-Petz.pdf
    • http://loaminoo.linkpc.net/4095093095093091/The-Author-Of-Himself-The-Life-Of-Marcel-Reich-Ranicki-by-Marcel-Reich-Ranicki.pdf
    • http://loaminoo.linkpc.net/8097091093096097/Wenn-der-Uhu-ruft-by-Roswitha-Leferink.pdf
    • http://loaminoo.linkpc.net/1091090091090090091/Sicher-anlegen-Was-Sie-wissen-sollten-wenn-Sie-Geld-investieren-Was-tun-wenn-etwas-schief-l-uft-Ausgabe-