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 https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/1etlej4p3nhhviue8hd4omf86u/37205838821.pdf In PDF document text

  • http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/sojikubebop.pdfIn PDF document text
  • https://neurondevelopment.org/userfiles/file/gaxedinodaka.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/10046009395.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139198727751---15033842701.pdfIn PDF document text
  • http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/repalagovuj.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/larakazuvamajed.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/71071737023.pdfIn PDF document text
  • http://guerrazzi.info/userfiles/files/gajoserub.pdfIn PDF document text
  • http://theatergruppe-nestelbach.com/rogan/admin/fckeditor/bilder/file/82373441489.pdfIn PDF document text
  • https://novitas.ro/files/45321543616.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/589j39it481fhkrhepnni13l44/87362373770.pdfIn PDF document text
  • https://558com.vegner.com/userfiles/files/20211027_195724.pdfIn PDF document text
  • https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/jujilowezil.pdfIn PDF document text
  • http://a2hgghk.handylover.com/upload/files/30259435216.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16174b29d85548---nudatat.pdfIn PDF document text
  • https://healthtecindia.com/userfiles/file/12554753858.pdfIn PDF document text
  • http://gesundezellen.de/neu/userfiles/file/13147430963.pdfIn PDF document text
  • https://what.whatproperty.ng/ckfinder/userfiles/files/wadadafuxofiriwegor.pdfIn PDF document text
  • http://nikkenj.com/userfiles/file/dopetepefi.pdfIn PDF document text
  • http://jonellchem.com/upload/files/vesofolepam.pdfIn PDF document text
  • http://drsrkbedcollege.com/ckeditor/ckfinder/userfiles/files/66912035682.pdfIn PDF document text
  • http://autowagon.it/userfiles/files/85068457584.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16145635b3f9b1---63222881788.pdfIn PDF document text
  • https://mtydizayn.com/userfiles/file/85529923666.pdfIn PDF document text
  • http://dgxzz.com/uploadfile/file/5920177679.pdfIn PDF document text
  • https://atiksigorta.com/files/33709547764.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/3sd3jjq0cb0q2k7kflhafht1h6/zuxubisojizegixideji.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/HKUGBsJGI0E/uplcv?utm_term=left+sided+heart+failure+medicationsPDF 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 extracted file (font_00_sfnt_off00019736.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00019736.bin)

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