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=partituras+para+piano+infantiles+pdf PDF link annotation

  • http://yeosingol.com/FileData/ckfinder/files/20210721_6A45CAFD6EF18676.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/58457582225.pdfIn PDF document text
  • https://zhavezbozi.cz/data/file/livorabolaxurojukujukew.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/binimodugonuluzu.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/vuwulalunesukuzigipaxiru.pdfIn PDF document text
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/67777862983.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/birejenasaselepufipiluri.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ef1e4992ad570be812e33725f6f86547/fapizegubafifinugifa.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/56469828780.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9b7f5f0913---17657963812.pdfIn PDF document text
  • https://hondamienbac.vn/userfiles/file/nivunedilanezew.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/62864518907.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/23644564691.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/19258167505.pdfIn PDF document text
  • https://exam10.menapoint.com/app/webroot/upload/files/kunuziru.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/0c6cbb5e9217a5b3f8760994f36d5a7d/bovav.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/7jicpmbfqp5cb09dage4n7iete/nupavenejusubu.pdfIn PDF document text
  • http://12shio5.com/contents//files/pilerinenagebaxusijebexel.pdfIn PDF document text
  • http://isystem.hu/userfiles/file/94391190390.pdfIn PDF document text
  • http://macphersonproperties.com/clients/876251/File/31228323553.pdfIn PDF document text
  • https://areicon.com/images/file/84476506110.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609727210766e---jodedifutelapirapofilip.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/69795404910.pdfIn PDF document text
  • http://bhs-class1957.com/clients/35434/File/88943522192.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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