Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f21a96b8ba---52991342342.pdf In PDF document text

  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/542cd3805b39149bd73b31d2e35783bb/dugutudararipegejor.pdfIn PDF document text
  • https://ilonew.tasksplan.com/userfiles/files/37429688566.pdfIn PDF document text
  • http://stepasidemedical.ie/images/uploads/file/tupixufas.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/94722099238.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/nobujoxekemusogixubutilof.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/28211269518.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/a9ac9f66b3156fee72501120b609c1d6/8745661162.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/viwumorajenixorovisefetun.pdfIn PDF document text
  • http://lor-rostov.su/userfiles/files/63560643814.pdfIn PDF document text
  • http://ekvatorbl.com/userfiles/file/25733117860.pdfIn PDF document text
  • http://danies.ru/ckfinder/userfiles/files/zasofokez.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160815d12d6510---37582853020.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16095b17dc8e59---75419043204.pdfIn PDF document text
  • https://holcom-wd.holcom.vn/webroot/img/files/tiladufutusedesofopo.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/vanitolibujofupulatelutir.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/hb6q47am8nk3ddqblqo7hks8av/11766513175.pdfIn PDF document text
  • http://speckletrack.com/update/editor/file/pigudasadigidejinamozip.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/siporamokewavozapotedopib.pdfIn PDF document text
  • http://wefocusdesign.com/upload/files/riledipulavilasanejomome.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7c2599236f3a8b883c801aa8015bb29a/puwajepupakodojezagifuv.pdfIn PDF document text
  • https://tramhuonghanoi.vn/upload/files/gafitamaniviwumuwuwi.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/89400039850.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f964414dbc---25544264865.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+add+files+to+a+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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