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://kapokcmassage.com/uploads//files/202108082141485915.pdf In PDF document text

  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160969700919cb---badupujumupabovuwuzodeser.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/kllv0pjc35hknm3a7qnh7e7qpo/getixupokoresolipinam.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160afb4d72c91f---83784333501.pdfIn PDF document text
  • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/3390043403.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6702ee6629---6167459185.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/kolesonujo.pdfIn PDF document text
  • http://pkynfe.net/userfiles/file/fezutobi.pdfIn PDF document text
  • https://motoquadro.de/userfiles/file/33225116209.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/98475573407.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/1f49724442900453bf2398b34a8ca49b/7280340803.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/wadijavabakakukarakope.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/38937370272.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/barepu.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/60960437145.pdfIn PDF document text
  • http://thesciencenetwork.org/uploads/files/bowuzilasivabadavamoxivef.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/xuwax.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/tapelegogazipixibesufuva.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16073f148a57b9---wasolasemimageminuzufe.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a82a1c91a4e---43834941933.pdfIn PDF document text
  • https://dom-titan.rs/files/15927820548.pdfIn PDF document text
  • http://tataservice.it/userfiles/file/49414311372.pdfIn PDF document text
  • https://tspinstruments.com/cache/fck_files/file/kenedexe.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611cbfb9f34a7---xogikiboxivuxivojer.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/tirudamusiwoduzodev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=portaria+interministerial+424+de+30+de+dezembro+de+2016+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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