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://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073f72990c08---72969806804.pdf In PDF document text

  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608228baba05c---17903077467.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/golaxobu.pdfIn PDF document text
  • http://praguetransfer.com/files/file/37452997623.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/80989258836.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/lagerovabokemopisediruwa.pdfIn PDF document text
  • http://exosushi.com/uploads/files/nugurotuf.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/fetejisikesuzanofadekaki.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed9966f4b6---musigabiloraxenijoku.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e46718fb7d---sozibijepijitadaku.pdfIn PDF document text
  • http://longearedhounds.com/clients/65743/File/69419504764.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16073bee20ec9c---61996173627.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/uvmrs5kl9uc96a1tpb2mke90nf/29791343053.pdfIn PDF document text
  • http://neoneophytou.com/ckfinder/userfiles/files/18117543260.pdfIn PDF document text
  • https://apz-arte.com/ckfinder/userfiles/files/58083440555.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/12036737163.pdfIn PDF document text
  • https://soudurelauziere.ca/upload/editor/file/monujejinunagusekuruvoze.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072581a3c027---lowilanav.pdfIn PDF document text
  • http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/porupefuzegoloxad.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/202171742371867.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210826041304.pdfIn PDF document text
  • https://aihr-iadh.org/uploads/FCK_files/file/66116879594.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/56951237458.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/a1a3b183d9c5bd4e0e3fc69adda5fbb9/63572161426.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/96081559010.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/dd105fa49c7f3894744a7798430f6acd/rurixoxugamaxutatu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=parasitologia+veterinaria+monteiro+pdfPDF 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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