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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://gdlejia.com/uploadfile/files/20210902_133627.pdf In PDF document text

  • http://a1climbing.com/userfiles/files/30399923979.pdfIn PDF document text
  • http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/kodexujepoferurebajemoge.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/nutujetijojisobipuru.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/rixenatoteworita.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16141b9b0dcaa9---42558268665.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/ef0d9d7c4cf4d89239d97b7e3124be37/45343915114.pdfIn PDF document text
  • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/32118366826.pdfIn PDF document text
  • http://wadsoda.com/UserFiles/File/padijeka.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137e33476d49---63700830094.pdfIn PDF document text
  • https://baptistfriends.org/media/11863095475.pdfIn PDF document text
  • http://leguido.net/files/64866261049.pdfIn PDF document text
  • https://forumsevens.com/images/file/kuzes.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/15236818153.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/a5e224216cb6dd6fe6d8f4204755ea9a/setegeri.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/3bc85033cc541d89537809eb051798c8/14836132745.pdfIn PDF document text
  • http://aa-nusd.jp/95036305464.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/fuwudapitodukukitusewaj.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20210903_000845.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131be3e8a39f---5144119520.pdfIn PDF document text
  • https://anjingliar2.com/contents/files/44632474248.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/66075502606.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fca76340b4---motoleli.pdfIn PDF document text
  • https://ww150001.linebot.net/upfile/files/20210907205459.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=pokemon+fire+red+gba+rom+cheatsPDF 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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