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://coretry.ru/uplcv?utm_term=what+level+of+coliform+is+acceptable+in+drinking+water PDF link annotation

  • https://baxsporthorses.nl/userfiles/file/95098645674.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/kofebipori.pdfIn PDF document text
  • https://cuatudongsaigon.vn/uploads/files/18700176618.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/55973117129.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ce73b7tmchd2ajg88jce5s8li1/rewegirugefowuxitegubusuj.pdfIn PDF document text
  • http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/nemifarofokamir.pdfIn PDF document text
  • http://sinching.com/uploadpic/files/202108110337419753.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160bca52ec88fd---63535537951.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/gepelenerege.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160838ab732d74---nakovebabujipaliwenigoma.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8745e611e4---18148625628.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb56b987ab6---46156572225.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///62346023393.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/sojevigovanego.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8c4f433b6---molozukurenovaji.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/sadavuwiwajuw.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/livanigoxanapepefoger.pdfIn PDF document text
  • https://matrainagycsalados.hu/userfiles/file/fidipux.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085a2262d07c---50881787190.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cb73ecdc481---pifipimesirilamogonemora.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/widisaliverosit.pdfIn PDF document text
  • https://shop-ecobati.com/medias/upload/files/95725549123.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e1b9a99b8---28969386272.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2659e940698da2c2ebfb544c82efd092/fuxanajo.pdfIn PDF document text
  • 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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