Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9291b247e09adc7…

MALICIOUS

PDF

21.8 KB Created: 2019-11-28 22:25:47 +00:00 Authoring application: mPDF 5.7
MD5: 9120cb589422de56c0299bed759e2388 SHA-1: c6cd1a206c68dcad7099a5d0bfea2862180f6335 SHA-256: f9291b247e09adc78d2013c132c60138a9b43f41bb4a7d6082039faca9c14aac
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents on the domain 'cefasfese.4pu.com'. This is indicative of a link farm, likely used for SEO manipulation or to distribute further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate intent beyond the URL distribution.

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/1731734730738731733/Lernen-in-Virtuellen-R-umen-by-Frank-Thissen.pdf
    • http://cefasfese.4pu.com/1731734730738736732/Fallorientiertes-Lernen-in-Virtuellen-Gruppen-Prozessaktivitaten-Und-Prozessergebnisse-in-Einem-Virtuellen-Kurs-Der-Betrieblichen-Weiterbildung-by-Melanie-Hasenbein.pdf
    • http://cefasfese.4pu.com/8739731736732731/SPANISCH-LERNEN-Der-schnelle-Weg-Spanisch-zu-lernen-Die-wichtigsten-850-W-rter-um-sich-leicht-auszudr-cken-Kostenloses-Autolern-Ticket-inklusive-by-SPANISCH-LERNEN.pdf
    • http://cefasfese.4pu.com/8739731736732730/ENGLISCH-LERNEN---I-SPEAK-ENGLISCH-Englisch-lernen-Power-Wortschatz---ber-1000-kraftvolle-W-rter-f-r-ein-starkes-Leben-by-ENGLISCH-LERNEN.pdf
    • http://cefasfese.4pu.com/8739731738732732/Einfach-Lernen-lernen-by-Ruth-Meinhart.pdf
    • http://cefasfese.4pu.com/1731732734733732731/Wissensmanagement-in-Virtuellen-Gemeinschaften-by-Marc-Lange.pdf
    • http://cefasfese.4pu.com/1731734730738730739/Kompetenzerwerb-in-Virtuellen-Trainings-Simulationen-by-Riesenbeck-Wilke-Hannes.pdf
    • http://cefasfese.4pu.com/1730734734732737732/Konfliktpotentiale-Und-Moglichkeiten-Der-Konflikthandhabung-in-Virtuellen-Unternehmen-by-Marko-Tietz.pdf
    • http://cefasfese.4pu.com/1731734730738735738/Consense-Kooperatives-Wissensmanagement-in-Virtuellen-Organisationen-by-Ralf-Nikolai.pdf
    • http://cefasfese.4pu.com/1731734730738736733/testcard-20-Access-Denied---Ortsverschiebungen-in-der-realen-und-virtuellen-Gegenwart-by-Martin-B-sser.pdf
    • http://cefasfese.4pu.com/4730739730732/Anne-Frank-Remembered-The-Story-of-the-Woman-Who-Helped-to-Hide-the-Frank-Family-by-Miep-Gies.pdf
    • http://cefasfese.4pu.com/1730730731737737736/Gesammelte-Werke-Frank-Wedekinds-by-Frank-Wedekind.pdf
    • http://cefasfese.4pu.com/8733733736736732/Another-Unbelievable-Story-from-Frank-by-Frank-Humain.pdf
    • http://cefasfese.4pu.com/6738730731734730/El-diario-de-Ana-Frank-Biling-e-by-Anne-Frank.pdf
    • http://cefasfese.4pu.com/9737731730733735/Gitarrenschule-Ganz-leicht-Gitarre-lernen-Vol-1-by-Rick-Old.pdf
    • http://cefasfese.4pu.com/1730734737738738734/Schwimmen-lernen-f-r-Kinder-und-Erwachsene-by-Kurt-Wilke.pdf
    • http://cefasfese.4pu.com/1730734736731736731/rosarot-Optimismus-lernen-by-Hans-Peter-G-derz.pdf
    • http://cefasfese.4pu.com/9737731730733738/Gitarrenschule-Ganz-leicht-Gitarre-lernen-Vol-2-by-Rick-Old.pdf
    • http://cefasfese.4pu.com/1730732737736730739/Gustav-Landauer-Lernen-ist-Erinnern-by-Helmut-Hafner.pdf
    • http://cefasfese.4pu.com/1731739733736735737/Segeln-Lernen-In-Frage-Und-Antwort-by-Roland-Denk.pdf
    • http://cefasfese.4pu.com/8739731736732730/ENGLISCH-LERNEN---I-SPEAK-ENGLISCH-Englisch-lernen-Power-Wortschatz---ber-1000-kraftvolle-W-rter-f-r-ein-st