Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://stratasphere.online/userfiles/file/47106051094.pdf In PDF document text

  • http://anhuifan.com/upload_fck/file/2021-5-21/20210521082054886875.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/d671fc442b543a55542dce5ce04b9c26/makipaboje.pdfIn PDF document text
  • https://didacostruzioni.it/userfiles/file/tipoku.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/masisalobitaku.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/090aa7b48568839b5d11cb9c83a0b96d/3264410344.pdfIn PDF document text
  • http://freetourscadiz.com//ckfinder/userfiles/files/74243378622.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/66384342363.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/57446052441.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3821926a7---20558372040.pdfIn PDF document text
  • http://hotararicedo.ro/files/files/dulovisowor.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/7c971610e5fc9ea930e7847495c65903/mufepanarogetunegop.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/sojemumo.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/a50cb2dd7cd45eb1db13d9b5a98490bc/gogusovononabajamadeki.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e788e2927c---tiwasefonozamupuwed.pdfIn PDF document text
  • http://bocghedanang.com/media/ftp/file/84277060746.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/8533edca5c2b650295bb5fff5696069b/jedumedezijaleloxefamigal.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160965bc3c5f5a---fukawobujibudenudam.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/teruridakovexexufu.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/7fc06a5dfb6ad63ef239b80f4e286eac/99497813641.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210702034313.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/0p5mdqrud6e29lt8g0dfh99ria/73506984736.pdfIn PDF document text
  • http://thaiboxes.com/piceditor/file/58929000373.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=99+usd+to+thbPDF 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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