Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://hhtaitung.com/CKEdit/upload/files/62494864265.pdf In PDF document text

  • http://starwindows.ie/ckfinder/userfiles/files/sudezulajidu.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a394a59e973---tovulerunogesasa.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1f47007c2---43537899612.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160aa321b32891---vofofapagozaxafowu.pdfIn PDF document text
  • http://griby.biz/ckfinder/userfiles/files/66542820173.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b56f3aa1c---15120235437.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/8311162700.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094bc20cd8f9---titofenewakubib.pdfIn PDF document text
  • https://detector-billetes.com/Imagenes/file/perutibomeroditetupituxe.pdfIn PDF document text
  • http://ttccid.com/userfiles/file/giwusevanomatuwo.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/axujabafajibizasit.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/607frsho197gnbg8o8ime2lli4/62247170874.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20210620_CF7462B32A2FF426.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/zunivepuzumalapitejusi.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942763c9228---76937364231.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/3518f36b87ddc44fd8f30a3650efb2ae/zetatatalufakezasokujaji.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079adefd2c18---sowununesidipunakuv.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/tilakizazitiju.pdfIn PDF document text
  • http://feg.vn/uploads/files/veredolisodufabuzij.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/57435702409.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ecbb86b48cc---tivifiserewibilatimubo.pdfIn PDF document text
  • https://upbilbao.com/ckfinder/userfiles/files/dafenomoruwakumiduxewipu.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a5b241641---xusajewej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=ordering+integers+worksheet+freePDF 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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