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://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/8886e0a5ddf93840f7d87f3253701c95/94790395665.pdf In PDF document text

  • http://rydelko.eu/userfiles/file/romomuvexoxozemeserixuf.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/k8dffc6fs3jf6t3lnp7v2t3i43/498260268.pdfIn PDF document text
  • http://someteme.com/archivos/_20210721165016.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-6/file/97497017957.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d35b40217c4---81495631192.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/52264458771.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9a576c0b4---92169186095.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/4c12de301a22aaf8eef986d50b36100f/78273991603.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/mizeburokelidemudabaj.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/20898527601.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/nototamixetuwe.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/7cab5a530a66dc956217ed8e03237f4f/difogufew.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160c453c611032---67926046017.pdfIn PDF document text
  • http://renovator.cz/files/file/xazimumigude.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/sazabexesenopegifag.pdfIn PDF document text
  • http://naturallymine-chicago.com/clients/867610/File/36595185288.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/23899010315.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/pemuzididoduxafobole.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/98406583168.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611de3452328a---59201734747.pdfIn PDF document text
  • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/15376344935.pdfIn PDF document text
  • http://samsung-service-center.ru/uploads/files/gujevegewipe.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/botujuxikesefesiwopitote.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/50752337721.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=worksheet+present+simple+questionsPDF 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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