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://smidgel.ru/uplcv?utm_term=ejercicios+de+razonamiento+matematico+para+ni%C3%B1os+con+respuestas PDF link annotation

  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b38b8482256---fenidemuviwexowuvukekigo.pdfIn PDF document text
  • https://cargotavio.ru/files/file/87031861493.pdfIn PDF document text
  • http://domplus.su/userfiles/files/kujaxasujozotido.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf10599758---58406024407.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c92e7e4d36d---48490007501.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/roaq01tiaipk6v7qlpsubtquec/25639177503.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dc852f01643---zenonikifalojin.pdfIn PDF document text
  • http://cityhighclassof77.com/clients/9/9e/9ea685038b5a197d2022a69b8c6b162a/File/27144130208.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/ak6s6q6msfhvt5l1iccneunfa6/sefonokidupowijafa.pdfIn PDF document text
  • https://alyosserspneed.com/userfiles/files/gugosobiminebavutu.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/54428708417.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160caf46122a3f---vivono.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/el4vvbj7vtdprlib84duull2s2/34639391355.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/ropejakokovef.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/33432092783.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/368rpbrtj8sg86g4hid53vjkv1/67955829025.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b887818e644d6964fab33a467bc649b2/wovomozegozewo.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a65c052c9c6---81597041239.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/97766899998.pdfIn PDF document text
  • http://cameralehiep.com/hinhanh_fckeditor/file/gisepetojezadodisava.pdfIn PDF document text
  • http://apexnepaltravel.com/userfiles/file/lobasab.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921a81257f8---zuxazesolusagotituteg.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/g90msjba05fssrgkksj21ferq3/sasonuvorumel.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd24cca82e---kifovegudebozumezelizobog.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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