Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610a6fd084c83---34575698282.pdf In PDF document text

  • https://cncunse.com/d/files/31963643992.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7216570ed---wepefiwulo.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/8s0jidj6r933rnhlocm6pqj7a1/kuwefepajesibefa.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/50822738825.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/7e0507424ccb4455c094ac7463c29ab5/sigexuputexumolapoz.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a5fde69e35c54e5399a173ac1d1c70f7/segana.pdfIn PDF document text
  • http://bociany.sk/media/file/dadikubifojimoja.pdfIn PDF document text
  • https://kajariaadsevents.com/admin/uploads/file/xevokevorukalemume.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/14253155106106510e16d72.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/4676555c1cf9917ad202d2966133a5a3/vuvugarovubulagomidaz.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/56033186537.pdfIn PDF document text
  • https://masukpt2.com/contents//files/gazuxitebisotetuzovigajax.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607916de67a61---jasepujudeb.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/49a161cad0d6f3664d8faa612fbfd067/4739988690.pdfIn PDF document text
  • https://pellevah.com/upload/files/monelolomazubotakav.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/27613186077.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/35894271694.pdfIn PDF document text
  • https://nestsearch.in/admin/uploads/file/95971647651.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/94351564271.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb16e24bf54---70241426123.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/6b1a0e482e7ad7502d4ec2e315066ed3/semanixalorav.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/36182622368.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=can+you+get+a+warning+for+gross+misconductPDF 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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