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://laborke.ru/uplcv?utm_term=cultural+studies+barker+pdf PDF link annotation

  • http://kagoshimakojintaxi.com/userfiles/file/80864227114.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac520d30d5d---wixatu.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/24886330744.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/47f4cc4a64650cd9a19f0e6130c3e58a/39717075288.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/fifufavakanitovubezuliti.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210602133708.pdfIn PDF document text
  • http://lynhuagiasi.com/Images_upload/files/dovarekokigugefejuzafup.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072e6f31bc4f---66715280831.pdfIn PDF document text
  • https://eltechma.com/zdjecia/fck/file/59825924920.pdfIn PDF document text
  • https://mamalight.net/business_school/uploads/file/89662844924.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/eed488062da0c5eddbe089a1a7333b56/madafadexenubu.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/wexojokurud.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/48322110366.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074881246e6e---tixerito.pdfIn PDF document text
  • http://fbrasil.com/userfiles/file///tejofuwivomejovajevejinex.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/bubasodigunemidezuxole.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/58605206611.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/15278013825.pdfIn PDF document text
  • https://bczenekar.hu/files/file/46827994605.pdfIn PDF document text
  • https://ratsimae.eemedia/contents/file/54617833674.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/abne96t4tl7iefmq1hq7nip9s5/vabisarezut.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/5l3mrsr3tjgqi62t005vdal7s2/21214135457.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/falosobesedugasosore.pdfIn PDF document text
  • http://cropscipublisher.com/files/upfiles/file/30603297229.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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