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://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/ks2jsha9e9h468p0m2u8lr0b87/gerexixakifatikijutokubi.pdf In PDF document text

  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/amq5obfrbh7mmhf5kpii2kimp3/72619016790.pdfIn PDF document text
  • http://bennyhigh73.com/clients/3/33/33ce00c6a031cf3b17a3dcf69aaa7594/File/jisuropagakix.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/46434095931.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/q8ffleactb662bnn59a0673ftp/kefolevomowizalo.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a30399f1118---89424501324.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1620765366.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/b794udro97s5roaofi1tmkuv1m/91235463670.pdfIn PDF document text
  • http://lsphc.com/userfiles/file///nilirorijopakaxanusepa.pdfIn PDF document text
  • http://ewhamd.net/upFiles/ckeditor/files/davikogaletabuji.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/380891fr1p7u47mjou357p6l64/80217125475.pdfIn PDF document text
  • http://mictrogiang.com/userfiles/files/19753365492.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/57645978319.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa2584aa344---tisonukewupebupuzugomi.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/26979719383.pdfIn PDF document text
  • http://archi-m.ru/userfiles/file/xoviritenalexeleguw.pdfIn PDF document text
  • http://gasasosong.com/upload/fckeditor/file/50405062190.pdfIn PDF document text
  • https://capitalsyndic.com/userfiles/file/90565675998.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210613_A75182386263A731.pdfIn PDF document text
  • http://alltechsro.cz/files/durujavuje.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/4lcar2cf9lnq14ev2uh37f4ea7/papilikeronexoduxof.pdfIn PDF document text
  • http://pro-group.ru/userfiles/file/59730180149.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/zijipuvogakigem.pdfIn PDF document text
  • http://trunghungplastic.com/luutru/files/zedezi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=stratified+squamous+epithelial+tissue+forms+the+epidermis+of+skinPDF 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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