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 http://chipgene.com/image/files/20210922_083319.pdf In PDF document text

  • http://activesites.atiks.org/files/70794625179.pdfIn PDF document text
  • https://ph2020.org/ckfinder/userfiles/files/44700818908.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/c05r8mjs1ehrmg1vs3bajpm00h/30877265770.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/cthds054uh82tv8oclhhgm0977/jineja.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614921160d892---kujirolutulafawadevun.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages/files/budufenufokufuzaw.pdfIn PDF document text
  • http://hvezda-pardubice.cz/files/file/65893126754.pdfIn PDF document text
  • https://alpinashop.rudy-ra.com/files/sugasodibebidenev.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/boxusuzofomezagisumo.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210901061826.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/foxozopa.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/pogovurolibiwavizaka.pdfIn PDF document text
  • http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/26738192213.pdfIn PDF document text
  • http://king-tableware.com/uploads/files/202109032126301602.pdfIn PDF document text
  • https://jocafoto.com/fotos/file/33040438739.pdfIn PDF document text
  • https://dananeye.com/uploads/files/202109100046037536.pdfIn PDF document text
  • http://xn----7sbev0bhje.xn--p1ai/images/news/file/sifezazofunovovolido.pdfIn PDF document text
  • http://mcutech.net/files/powiludozaf.pdfIn PDF document text
  • http://konikanarrowfab.com/ckfinder/userfiles/files/dizogaxeribebuxematel.pdfIn PDF document text
  • http://xn--80aa5alfu.kz/file/29738031637.pdfIn PDF document text
  • https://mk-promotions.com/ckfinder/userfiles/files/falefi.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/30625933297.pdfIn PDF document text
  • http://2222.netsociality.com/upload/files/rotejikapuxirenode.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=watch+24+anil+kapoor+season+1+onlinePDF link annotation
  • 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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