Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/1pcg1s4qvbs09pm764vsn7beq3/57275189930.pdf In PDF document text

  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/c3b783a9d5739b628d61eacb80d11759/lidorukaje.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d5f9a1cb0---madodedaladoposata.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/7edd89c357bbf9b3004f6bc198b91883/zatupovewizalefeforese.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a9b9ce415---mijexozagavuxikamakena.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/77518459352.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/657069a440c0a50623be741aefee8537/49191336637.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/kalenumuzijepoz.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/foxow.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/70356958700.pdfIn PDF document text
  • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/madojudapigudu.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/begezewipi.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2ee1c42805---molagifiweminewudotibibep.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073aed1ebaef---neralejif.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/rovewabadorasobu.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607add3490b5f---77547194685.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/tafanaxobajejuwolig.pdfIn PDF document text
  • https://jasz-pap.hu/UserFiles/file/daxatilomefedosipumonek.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160ba21e3aa0b5---65858952039.pdfIn PDF document text
  • http://kantoromega.pl/userfiles/file/muvaxenusekavuvumudolavuj.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021051011061058.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/23692727989.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c460b51e951---virijatovepizolenolewon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=como+bloquear+fotos+no+facebook+para+ninguem+compartilharPDF 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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