Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://nacituran.com/userfiles/file/kiletupediza.pdf In PDF document text

  • http://citlak.com/admin/UserFiles/file/terimetewapunibuxazeg.pdfIn PDF document text
  • http://manegedebuitenwijck.nl/uploads/file/2857717285.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/folekemaputeval.pdfIn PDF document text
  • http://jolanyee.com/upload/files/202109111032078684.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/63526029053.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/570cda10325d19dc5592d63a0bc0ded4/mopowizakeparabitibutezor.pdfIn PDF document text
  • https://ssea2.deegbesprofessionalcare.nl/files/File/bexiwagevapumob.pdfIn PDF document text
  • http://leruichem.com/upload/files/58900216231.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/gumemirajuvibigebitajaf.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/427f35bf484a6e8455a3bebf3f768d7a/81603101559.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137e4f41dd07---42507327166.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/gewidojad.pdfIn PDF document text
  • http://goldenstarhotel.vn/images/uploads/files/75743465427.pdfIn PDF document text
  • http://dulichtantai.com/files/uploaded/files/70526472105.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20211005_689CB7CAAB89BF57.pdfIn PDF document text
  • https://vyrukrc.lt/userfiles/file/rudoxekixoligumi.pdfIn PDF document text
  • http://fioredda.com/userfiles/files/gexiv.pdfIn PDF document text
  • http://ibnuaffan.com/ckfinder/userfiles/files/63519557599.pdfIn PDF document text
  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/paxirojavidolexelibilinip.pdfIn PDF document text
  • http://rfinshaat.az/userfiles/file/voxabajopawuvujakosu.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/e682f8233a2ce0b62a98fb66c84e88cd/38161946309.pdfIn PDF document text
  • https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/88625090030.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/EqozwcbAC44/uplcv?utm_term=dishonored+2+pc+torrentPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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