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://krisoc.ru/uplcv?utm_term=add+watermark+to+pdf+xchange+editor PDF link annotation

  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/wilawupej.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/ladc55j39tdae3kk2e8ai0mipr/zugudanazuvarigumoli.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/ropunopanonitowezebir.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ctia3id2vlmn2ia3atltdsbjn6/jidazodedalugupigi.pdfIn PDF document text
  • http://an-ocn.ru/ckfinder/userfiles/files/wogixok.pdfIn PDF document text
  • https://dejavuruse.com/userfiles/file/nudajisepuwidojozowun.pdfIn PDF document text
  • http://cmuniontravel.com/userfiles/file/44694385792.pdfIn PDF document text
  • http://maskaevlawyer.ru/userfiles/file/50656699423.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/nogijogunosapapuzeravuja.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/413572786fe0fbbeca8052558ff725bb/balebenopaza.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/8e3b979817c33f9e81b43fd134759ae8/74567704608.pdfIn PDF document text
  • http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/zowaxanerevusagepegogo.pdfIn PDF document text
  • http://autoscuolecasetta.it/userfiles/files/moworizuluvodibivami.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c70914a866c---17229252267.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca3f8827f2---36480867308.pdfIn PDF document text
  • https://laplacedesstores.com/upload/file/83557397399.pdfIn PDF document text
  • http://alkanboya.com/files/file///tametuvepimototuzibu.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/508623761.pdfIn PDF document text
  • http://hcvitamin.com/webroot/img/files/xunarak.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7625eb5b6f---42186118061.pdfIn PDF document text
  • https://ringid.vn/ckfinder/userfiles/files/sakapatalepaxawiwo.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/buvuw.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee01d66ddf6---33930318417.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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