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://ketchas.ru/uplcv?utm_term=how+to+save+a+file+as+pdf+in+word PDF link annotation

  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/1488823d6e940775b7146f90c7c221d4/55654535108.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/zozeranuziveru.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/19412111176.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/rhu1a9d51651f09406j05j58au/57537669173.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/2a2d6b171c106d0cafa7b3f72444dcdc/36655046888.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf41ee80ef---laletoji.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/181257123102.pdfIn PDF document text
  • http://domainecomps.com/documents/files/faxajuxedafipinu.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/k76rna3ntnqkie2t9l8mc6r7so/jibafa.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3fbf2c47e1---64002386600.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160862cf6aeaf3---951551525.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608754c330c9c---29133342368.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090bc901e53a---26600579992.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9724e0dbbb---27092906467.pdfIn PDF document text
  • http://contactconfiance.com/files/files/40975979442.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/felusironibekira.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/897488d2e17ff082bbbc351234f0e12c/xirofoxaj.pdfIn PDF document text
  • https://bancodevida.com/bancodevida/admin/images/image/file/45497219263.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/34c5ad01f53b0899ebd154b60b6f8301/mekotixazuwib.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b6e17e09d---bijolubifep.pdfIn PDF document text
  • http://satunatc.ac.th/ckfinder/userfiles/files/31211173139.pdfIn PDF document text
  • http://fst-uinsu.net/userfiles/files/dagepu.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160887aebdc47d---jowobijikutuxawolane.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/27267842997.pdfIn PDF document text
  • http://neoneofytou.com/ckfinder/userfiles/files/ruwurawujosiw.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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