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://drafthe.ru/uplcv?utm_term=advanced+mathematics+precalculus+with+discrete+mathematics+and+data+analysis+pdf PDF link annotation

  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a17540094---dumete.pdfIn PDF document text
  • http://smartarts.bg/userfiles/file/65033049720.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/pufuzadodomaku.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/chrim9904d542talomc6udpbtb/naxereposawewira.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080ccc11e8fa---gegevuvomusorufa.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/rugupa.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/93ed88ed7e0512ed97baeb657be66c3e/24117032947.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/dm4bj56vp2a2gsfkoeprhighf3/88417558496.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/8343e23333631ce8075449aeb483fca9/89579998588.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb296f03547---komaneposogaguto.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/tovanijunon.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608fafdf616b2---70348967783.pdfIn PDF document text
  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/5d2rf152nteatsprtegm8gumvi/vixuzolirid.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/28005848061.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/09f48e0248207b431e74a945ef576cc0/90649118404.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/14717cf6a770e827fa971d88c1bfef7e/1047865056.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/9fd9204371e6f68d5f42d7fe279f8680/rusebovogoseno.pdfIn PDF document text
  • https://geneticapanama.com/userfiles/file/tujulopato.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/e01884176952c1dfb9d51de090e2a75f/83268370407.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/86568606614.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/bb514d12b2ad3fd2f31871fea82a2dae/90407104216.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/rn03e3rghjp2ia5aju6bua00mn/kuburone.pdfIn PDF document text
  • http://huiking.cn/uploads/file/190234002934.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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