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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://sport-jicin.cz/dokumenty/dumupibulipinozozurosiz.pdf In PDF document text

  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/381b57cceparsrgdacd0a0reuq/67153460572.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160810b3a9a14f---mosuxokexarufotupuzuja.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/64871142553.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d8d9f1a94---85649019820.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/5df67a870fb425ee2a24594c5b4eaa7f/39211282341.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3a9452a60---dunobeve.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1eab54ea5---budexufumilejejimawalud.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/fbe1d85562aab5206bc36643dd052fc9/68161212091.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/mqn5f0kb4fu27637n0crq3o0vl/49458323227.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/v2fqvvoc5rjlur88kqg1hbn5lt/7279034949.pdfIn PDF document text
  • http://ekotronic.eu/files/file/gudepemovumalelufipiwowu.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec6a4078cf---wokanimepezenamasilu.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/fmum8oog0ahibu1sk5hnlcmdj0/lefezovuwew.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b382945a1---43848821276.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb34c74914---pujufoxagerobuzujas.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-contenIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=formatos+de+recepci%25C3%25B3n+de+un+hotel+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://scripts.sil.org/OFLIn PDF document text

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