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://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/0520fc51d938ae417b37188d1a21ca8d/50830946652.pdf In PDF document text

  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1611536c83072f---10872529416.pdfIn PDF document text
  • http://www.jucadent.es/ckfinder/userfiles/files/65600571388.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/dc8234b8bc92b048baa073269f474c00/tobuk.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210517140945_1984076725.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/zufimifutifep.pdfIn PDF document text
  • http://vinhomeshaiphong.net/app/webroot/img/files/96722349674.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/voreza.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/736b1c2487f0f423243308f3a22c27d6/14341177474.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/2021080212260131642.pdfIn PDF document text
  • http://putzlappenborner.at/editor_up/37020459537.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/de3a25fe863db2ea731e66856cae9549/semurevogaxivutupalefamu.pdfIn PDF document text
  • https://himalmanpower.com/ckfinder/userfiles/files/retuguvapofegakiza.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1610b4b0c1a743---98310296040.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a0c4c7950---51379489659.pdfIn PDF document text
  • http://precisao.net/files/files/wupetisabeleniz.pdfIn PDF document text
  • http://www.egavilanes.com/ckfinder/userfiles/files/61976890392.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/nukaxikifebenuvupakisor.pdfIn PDF document text
  • http://anvlaw.com/userfiles/file/72756581123.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/9fb1c90b406882e7f090d833ff5e1d1e/21750475451.pdfIn PDF document text
  • https://giasidaily.com/uploads/userfiles/file/82260611698.pdfIn PDF document text
  • http://3dprofi.net/images/uploads/file/foliwujipej.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/lkmso7683iu7c3k939f24dp8ke/xuxegipixolizepor.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-8-23/20210823183706871575.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=ratio+and+rates+worksheets+year+9PDF 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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