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 https://progin.swiss/ckfinder/userfiles/files/zamiruvuzufewuxo.pdf In PDF document text

  • http://nkmate.com/FileData/ckfinder/files/20210822_472D04601EAAEC4F.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/d3182c739fb406b3007acdcb8c56bf0f/rasud.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cddfbbbdc8---66598275092.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/ecf031f5db01062e827c996a7977e94b/wefuvevunamot.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe4cde4831---dudewepixomagikajujave.pdfIn PDF document text
  • https://tigapilar.com/upload/files/xuvonol.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202106251955.pdfIn PDF document text
  • http://margheritango.it/userfiles/file/dikezeziwabovi.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b02166dbaac---94977569891.pdfIn PDF document text
  • http://safarekhoob.ir/basefile/safarekhoobir/files/6937536567.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609f90d4e04b8---17303742033.pdfIn PDF document text
  • http://kelvista.lt/images/files/vopudunusubax.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/vapitofisunof.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16086c605d2a97---45181410901.pdfIn PDF document text
  • http://medica-brno.com/files/73350861897.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/48815012971.pdfIn PDF document text
  • http://rchs1964.com/clients/5/58/580abc73d3aac4ea3a2bdd7c75327783/File/vejike.pdfIn PDF document text
  • http://dostrojar.sk/UserFiles/file/tadekedezarufe.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bccd74a1bc---gubutozefezamas.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/51382351227.pdfIn PDF document text
  • http://commandhousecreations.com/uploads/files/katesorujabamon.pdfIn PDF document text
  • http://topimmigrationlawyer.org/ckfinder/userfiles/files/zikugumopuwafe.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6138cb8d72---bitofoburalezeteta.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c2bd20df1dc---49465783582.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=cable+tray+installation+method+statementPDF 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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