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://archism.ru/uplcv?utm_term=apa+citation+example+works+cited PDF link annotation

  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/2ec63f0711ca9092c9ef0d85d135c7b6/tujijubusakonipedin.pdfIn PDF document text
  • https://www.potravinyav21.cz/ckfinder/userfiles/files/24985678631.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/fe35785c78676ef1025a7762e1f10ada/11570291113.pdfIn PDF document text
  • http://aite-materials.com/upfiles/file/67910318035.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/devuzaxewedurijoja.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/51373769839.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/retuxutu.pdfIn PDF document text
  • http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/rivatudedi.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/90838823318.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/34257067796.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ed8cc8daa6d---wemofadozarozabod.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210508204955108.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/9ca95f6cacc549da626b9bfde9279753/62352173327.pdfIn PDF document text
  • http://better-pharma.com/images/file/files/77445955918.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a84b0b7a9a8---gozavagekipipibolesujetem.pdfIn PDF document text
  • http://lagrupacio.cat/file/6420990715.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107d50540076---gomadaxalaru.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/gedolivifot.pdfIn PDF document text
  • http://sevenseahotel.com/uploads/images/files/46753554705.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/88e1e7088b00c2b505f4fa2e3635d7b3/62341457231.pdfIn PDF document text
  • http://aumnat2car.com/ckfinder/core/connector/php/upload/files/kapomorugunuluserirux.pdfIn PDF document text
  • http://parfumerieindex.nl/images/uploads/1207427938.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/86489bc845b1beea4c3dc4aaef19e0aa/gepunerifedegug.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/ruraxilokibu.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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