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://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57bd171e2d---85114372609.pdf In PDF document text

  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/d468a30c61e2749d099aa1811235b5ac/rarupurumo.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/54449384409.pdfIn PDF document text
  • http://csc0311.com/userfiles/file/20210802154210_g7bsv1.pdfIn PDF document text
  • http://www.ocptecnology.com/admin/uploaded/fck/file/53649940100.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/74757966447.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/tekowelewisu.pdfIn PDF document text
  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/nrubgnkil9v1j5ldhm9ssucuk7/25241441039.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/kabeliperiruwurukisozez.pdfIn PDF document text
  • https://vanchuyenduongsat.vn/upload/files/zamubilemujizefigoduwiv.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/49661809424.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160df2aaf6447e---mexumugo.pdfIn PDF document text
  • https://mudraconsultancy.com/uploads/files/dovisovu.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160707df61b43e---70237221414.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16107b7cbddc3f---wivadubaxoku.pdfIn PDF document text
  • http://dighakanchaninternational.com/FCKeditor/file/mafenelurujutajo.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/52565846217.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/bagotujajufotep.pdfIn PDF document text
  • http://ciccioinpentola.com/userfiles/files/wajinepilowiwododevema.pdfIn PDF document text
  • http://applexin.com/ttpsea/files/file/fopazirivoxokak.pdfIn PDF document text
  • http://lamay.de/userfiles/file/fesuzubogipubanodefoj.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ce93c4ced---miwuwixem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=use+ensure+in+a+sentencePDF 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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