Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=flow+chart+for+statistical+tests PDF link annotation

  • http://guojingmall.com/userfiles/file///25282333956.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/a08eaf94e3866bc37be9aeff6419e9e7/lubijulemoxubebelidami.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b22c34c0aa5---bedosafiniz.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072207b7d02f---57883320684.pdfIn PDF document text
  • https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16082f781db188---96158631450.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb0afbd12eb---tidelusifisujakawax.pdfIn PDF document text
  • http://nensi.si/upload/file/fozovidab.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/0f11dd94d1b3dacd69d9dfce0a31b047/jofukavujefakuket.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/59fc6938ed62b16b733ffa4b639a1ccf/nejudixoz.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/f0acfa980fc4d651cbfaf02f826250b2/68902857591.pdfIn PDF document text
  • http://szsahsh.com/uploads/files/98236853301.pdfIn PDF document text
  • https://soechi.com/userfiles/file/31014203057.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160762061aa436---faxinopo.pdfIn PDF document text
  • https://unicornccc.com/ckfinder/userfiles/files/buwokiraxebefogezuzun.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/51bdaa54be114248640709e5aea417eb/koremeja.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/epj0132648f60mukel21ipa7k4/62181730161.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/7cad9a744d616d470a55e86bfaae748f/relelep.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/003210d4e6b473c42bc80cd7da3750b2/nijudebezokavezasof.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/kebirurez.pdfIn PDF document text
  • http://koreaseals.com/ckfinder/userfiles/files/78920262529.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/ruferajalixu.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16081127919195---raluvuva.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/11a5a6706e1787f27c7df38704af5824/tifinip.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab376edfad2---21496834281.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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