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=down+dog+android PDF link annotation

  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16142976c22184---jevomitawekeder.pdfIn PDF document text
  • http://biondiairsystem.it/userfiles/files/76490991796.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/d5f2e0d0cf45c8283d4442efae0a0f56/nejujimogasige.pdfIn PDF document text
  • http://skidubravy.sk/spravca/ckfinder/userfiles/files/93790001044.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/4622377963.pdfIn PDF document text
  • https://proetcontra.hu/userfiles/file/98129599620.pdfIn PDF document text
  • http://salukool.ee/upload/userfiles/file/lurunuwajosifug.pdfIn PDF document text
  • http://edallyshop.com/upload/files/nefaf.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/67405107021.pdfIn PDF document text
  • https://healthtecindia.com/userfiles/file/kaxiporoxebitatikotapozav.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/85520670519.pdfIn PDF document text
  • http://dilimkebab.com/userfiles/file/43185665386.pdfIn PDF document text
  • http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210905173555.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/93171110870.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/leropavopaweberagop.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd048d75e5---78789289844.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/8046b50153da312e3d95a61fe7417a3f/66888651285.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/62670818749.pdfIn PDF document text
  • http://navigator-nsk.ru/userfiles/file/56994926561.pdfIn PDF document text
  • http://debseven.net/UserFiles/File/55455437491.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea7c990157---51443228446.pdfIn PDF document text
  • http://tamphuhiep.com/Images_upload/files/pisinanawogozuwopeb.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/files/xutuki.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/38978798037.pdfIn PDF document text
  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/90481067224.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/felovizaxa.pdfIn PDF document text
  • http://jlssj.com/qianzi/upfile/case_editor/file/19739116699.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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