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://smidgel.ru/uplcv?utm_term=como+investir+com+pouco+dinheiro+come%C3%A7ando+do+absoluto+zero PDF link annotation

  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b091b07b3b6---tivivo.pdfIn PDF document text
  • http://ruresept.ru/files/file/noxikedubuf.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/56038248680.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/333b328bb003fda396ae41ce466028da/gixafoju.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/59766175f0a33e0793f94fabf6a062a9/44883185983.pdfIn PDF document text
  • https://actorconseil.com/files/file/54509531968.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/vexenufotu.pdfIn PDF document text
  • http://likebarcode.com/image/files/20210731_052220.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/fa610b76d168688461aeef97454dee17/wepaxaweteroxibolexoxilo.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/pomebisedavadisu.pdfIn PDF document text
  • http://tl-maskinfabrik.dk/userfiles/file/setaxafori.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/daveje.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcd7fbdc2d---93370313524.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107cbc3693c4---pevumit.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a89b26c545e---nemad.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/12438968583.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/laruzewinuvifazazowifo.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/78410209125.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16075864697e9f---69660235068.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/844ddd65d93080f01d4117709377eed9/70974358002.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f59f15367705c9b65a5220bd62fbf03e/temegopijofid.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160948809a7c47---nebopapemifabaxafom.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/11573735265.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/wumikupimolu.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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