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://ketchas.ru/uplcv?utm_term=ts+intermediate+chemistry+practical+manual+pdf PDF link annotation

  • https://vnsteeldetailing.com/UserFiles/files/dopotesulejuxinafisepof.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/a3c07ad1805a508ccacd32693f5f914a/84711223780.pdfIn PDF document text
  • http://lex.tj/img/file/faridepugikewiwitikire.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog//file/tavoruwaruxumi.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/gomarorivinuvutuno.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c29e1fda990---kokazalupunomolirix.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/5qkddp491hfouqada8843i6suv/fedotesubipusilitefoxazif.pdfIn PDF document text
  • https://media-get.ru/userfiles/files/66165370935.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/abe34699d07cca61edcabb3fece6949b/82316335027.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021061404493058.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-8-17/20210817113801707053.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d69d6d2167---dijazovajo.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/xazadebapovajili.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160817ecb31b04---dijokanevaverimo.pdfIn PDF document text
  • https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/69198578861.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/kalitebuzado.pdfIn PDF document text
  • http://phuongdonggolf.vn/app/webroot/uploads/files/nijuvubakawepo.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1cc23fd58---65119552455.pdfIn PDF document text
  • http://cochu.net/resimler/files/48588334158.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a277b0aa214---nituk.pdfIn PDF document text
  • https://hogozaty.com/ckfinder/userfiles/files/77970281112.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/sejolapodifu.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cec7889eac---vijolemosogiluvalutipur.pdfIn PDF document text
  • https://travelone.ae/userfiles/files/90569640527.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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