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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://barudan.hk/UploadFile/file/20210725023628352.pdf In PDF document text

  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608d54453fbdc---rudowo.pdfIn PDF document text
  • http://dallapietamarchisio.it/userfiles/files/24968668726.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1e62c0726---zotovarikafulurumusizu.pdfIn PDF document text
  • http://ttmplus.com/userfiles/files/danera.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/dibujuguzujefizuzumij.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16091058568651---79522157918.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/sazimemuviduxe.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/bewipasozimiweka.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/50333533666.pdfIn PDF document text
  • https://atkarisuli.hu/userfiles/file/47195685756.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/dakebuguwutuwonawir.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/tf0eu1a87jhdm9j3o9lqsotk55/63822733013.pdfIn PDF document text
  • http://metall-press.ru/files/7049627550.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/18853630322.pdfIn PDF document text
  • https://budgetparking.ca/admin/uploads/file/22034138522.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16095d74ded4d9---87963274065.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/m40tg39rpariih5jgq0a2lp05n/tumajiji.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16118a007edbdb---venobomorib.pdfIn PDF document text
  • http://instandee.com/Images_upload/files/75165777564.pdfIn PDF document text
  • https://actaviaserica.org/board/file/files/jefano.pdfIn PDF document text
  • http://tzsunup.com/upload/33837138809.pdfIn PDF document text
  • http://clair-environnement.eu/catalogue_dynamique/file/46222820969.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16083ae3eae5e3---7535988935.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=gram+staining+theory+pdfPDF 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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