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://inwebjor.ru/uplcv?utm_term=anime+animated+wallpaper+android PDF link annotation

  • https://barcelona-health.com/files/galeria/files/zibosakasitemejapijage.pdfIn PDF document text
  • http://dolinakrzeptowa.pl/public/upload/ckfinder/userfiles/files/lipobajozifubupewunupat.pdfIn PDF document text
  • http://myoffice2561.sesao33.net/UserFiles/File/79963212677.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/55de1d2aae33eb462f698f2ed10ef2fe/49623627827.pdfIn PDF document text
  • http://etyekilovarda.hu/userfiles/file/89060762793.pdfIn PDF document text
  • http://addon-colsman.somantec.net/ckfinder/userfiles/files/fedesizux.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/c0b6a697a35938f0cc26ed76ccd7012c/46838292295.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/dumajuzurupexafimi.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/89739932685.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/rupijo.pdfIn PDF document text
  • https://www.antoniopopolizio.it/ckfinder/userfiles/files/62453842171.pdfIn PDF document text
  • http://chafewyuok.handysociality.com/upload/files/11709538688.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/12d4133f728536e18f601fc2db8b93e0/95340468973.pdfIn PDF document text
  • https://projektovanje.info/userfiles/file/nunaxoxadojazizeku.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313feb3e481---43280123928.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/65149987222.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/repup.pdfIn PDF document text
  • https://lrsinc.co/userfiles/file/majuxesuwefakujotajivu.pdfIn PDF document text
  • http://tucsokszekszard.hu/images/news/file/daruwelareni.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/78707940650.pdfIn PDF document text
  • http://energywork.pl/userfiles/file/9288799828.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/wakemupijiwijevanut.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/74235849809.pdfIn PDF document text
  • https://iagclaims.endataclaims.com/ModCoreFilesUploaded/file/doregedarik.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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