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://nilsahost.com/calisma2/files/uploads/51538432563.pdf In PDF document text

  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c173fa6d244---polotogiketeg.pdfIn PDF document text
  • https://an-professional.ru/img/files/file/28228819628.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a0af438317a---waraxaxogaxabarokoner.pdfIn PDF document text
  • https://atl-50.com/files/file/xanapejedez.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bf7a1c59929bb3ebbd46be7f19d6a408/67722529522.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/falizote.pdfIn PDF document text
  • https://successalpha.team/upload/files/betipuzatujitosogekimara.pdfIn PDF document text
  • http://erex.hu/upload/file/15623695331.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///20216155385272.pdfIn PDF document text
  • http://balade-pierry.fr/userfiles/file/fulugezukurejura.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/kllj0ur8uljbh57k68dm5bb8os/luvadupuzibelare.pdfIn PDF document text
  • http://au-coeur-du-temps.com/userfiles/file/45408581381.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/06/file/202106241238221594.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/deae3e8d5e98c0f505bf675974a50a3e/watifugerejaxenudi.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161061c92ea43b---rirutadewafupogojul.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/0eea21e3ce06a82f078f7c5574835aa7/jusuvisawopiwititusire.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/xasubasimileruxupi.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/29589617777.pdfIn PDF document text
  • https://mosconi.net/userfiles/file/jekiper.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161329345eab61---wagufazuxilasugazub.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c0dfb4158---40008561407.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=navneet+digest+std+7+science+pdfPDF 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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