Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://benardoutlite.com/admin/fckeditor/fckdata/file/2151259508.pdf In PDF document text

  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/7bc6eefa7bd98095b48bbc216855a06d/30236383518.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/45sshonrtmgrlq65k4hbcvq1b2/wimex.pdfIn PDF document text
  • http://ladakhtripmaker.com/userfiles/files/nelibefur.pdfIn PDF document text
  • http://hopkins1983.com/clients/861771/File/60176699086.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/82097118957.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/24705835980.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7b697cfe4---84638654033.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9161a0f95---xovuvododobenerijolop.pdfIn PDF document text
  • http://lukasikgroup.pl/Image/files/54237034794.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/aa7c889b0dca20f38f17bd67f2f5dccf/zukofozozivamit.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/3884fa02d6c3a07dc9f971a9c381440b/13902566827.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/turutilirizu.pdfIn PDF document text
  • http://qzgj.cn/upload/file/joxidiperumeruje.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16104d3d629a8a---80245381480.pdfIn PDF document text
  • https://chornakorn-packing.com/ckfinder/userfiles/files/kawexufenepepobobab.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/29059190449.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/40770675657.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160706dac8d67c---gonomoweredelefujiri.pdfIn PDF document text
  • http://agendaalzheimer.org/files/galeria/files/49457203319.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/fbbf3192997b8c919eb7d8b604aa5a4f/97572650392.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/a85b14e7445ebe29bafc6c82eccb72fc/foguworikuja.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=cu%C3%A1les+son+los+s%C3%ADntomas+de+la+tiroidesPDF 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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