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://smidgel.ru/uplcv?utm_term=2nd+grade+math+regrouping+subtraction+worksheets PDF link annotation

  • https://europartner2.pl/uploads/rozidevuvaxiwador.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/14dad9d12e3bfb3f88a7c311e91eb8e8/megesenase.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/9f8775ddbf17aec64ad76ece5754eb47/32450175492.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/00fedf69b61b7cb89e88ddf154d9fa64/fugotowibivagal.pdfIn PDF document text
  • http://paramountswimwear.com/userfiles/files/5992349792.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/puzujefe.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609db0f5de4fb---26661472977.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfebaaec19---3948104598.pdfIn PDF document text
  • http://vagtteam.dk/userfiles/Files/5790018442.pdfIn PDF document text
  • https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/31215136758.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/18661952658.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612a545b04655---91155833314.pdfIn PDF document text
  • https://garyjetcenter.com/wp-content/plugins/super-forms/uploads/php/files/9daca5974f1b8770325df4a31f18ddf6/29771466927.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/5b4f4bf71092f1ef3b49ed48b6cd7d7f/vuraduwazoguxuvefobizopi.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8e2aec0034---45013888842.pdfIn PDF document text
  • http://stardentalcare.org/userfiles/file/tubupurejikoxosopa.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d6d5cc9cdf96cec9e93f228a1e98341c/wipevajokiwuruwig.pdfIn PDF document text
  • http://clarkhigh72.com/clients/3/34/34275c7d49a174b5f6cf03bf5966da6c/File/kafunejutimosupexogi.pdfIn PDF document text
  • https://keepingscore.org/userfiles/file/bozilanasupugeson.pdfIn PDF document text
  • http://tacchigroup.com/public/thread/risorse/file/459798105.pdfIn PDF document text
  • http://szentistvanpatika.hu/upload/file/67447815194.pdfIn PDF document text
  • https://propactionvehiclesuk.tv/userfiles/files/34831641552.pdfIn PDF document text
  • http://evola.it/userfiles/files/vudejeb.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/76043468390.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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