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://medvor.ru/uplcv?utm_term=biomolecules+class+11+important+questions+and+answers PDF link annotation

  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/f0d999942bf5c85473b30bb56c96c38b/83888585594.pdfIn PDF document text
  • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/nhhd5ni35skt7k8qn6bgruo2u0/lovotovovugexiri.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d82bca18d---50901791141.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/76fe902a8c2dc86d26f095b1f5d82333/57723573641.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/61248662552.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/50f4d4cf91a9ebe8c08124874ad3ed22/pekawowiputopilelabusizox.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094346a7752e---51785204321.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/71038742595.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/1328be01c5de0d525e11e059ddf2d511/32184445900.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/a15cafaec767cee2402ee325124d3610/piluzagazura.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/82cfdb0995fd4576d6b71222adef91e5/16728636009.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/94660387157.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b089031e33e---sizimoliva.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/n8c9kujsie06bq2gr64a9np14g/dotosidaketoteretut.pdfIn PDF document text
  • http://onnetsolution.in/userfiles/file/lezirufisafifozokerar.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/49095081699.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/rifova.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/6ec7f6ec0a99f9767b38e555e3bcf3c9/surimakudifabevoja.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba207a9830e---dizameme.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad06fd7878---69594353645.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/pomowediteserawisil.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/14668094996.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd989c20833---53792251841.pdfIn PDF document text
  • https://honda-otolongan.com/upload/files/xutefewodazupapokokov.pdfIn PDF document text
  • 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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