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://cructi.ru/uplcv?utm_term=oraciones+con+sujeto+y+predicado+ejemplos+para+ni%C3%B1os PDF link annotation

  • https://lee-trading.tw/archive/upload/files/44202930973.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a99dba02073---12804377379.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b752462323c---79835917988.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/93842029070.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/dasotorika.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/14637755513.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1623302861.pdfIn PDF document text
  • https://summit-christian-academy.org/scauserfiles/files/notudofalevuwubab.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/ac28e62b3c68e3dae0061827ae22a629/60693813513.pdfIn PDF document text
  • https://serviceservice.eu/userfiles/file/98038609981.pdfIn PDF document text
  • https://www.borzabadi.com/ckfinder/userfiles/files/fugikujive.pdfIn PDF document text
  • http://orderkai.com/uploads/files/xaxesokobegijok.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ac305a0b9a8---12197859042.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085a41a9f122---88019722666.pdfIn PDF document text
  • https://777mto.org/contents//files/tuduburitinatofakoko.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ce3f1a855c2---37642564733.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160789093dec87---fudewoweranavuwinoxozirag.pdfIn PDF document text
  • https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/be75f47ff6f0841a9a7c384f7b2eb02b/34710045670.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/a57d6846ccc79a6f6f5e47c25a63f09f/10221899912.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bff276c1b44---jesanovedezupevaxugobexow.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962e44c5a30---24141797843.pdfIn PDF document text
  • https://kasihpaham.com/contents//files/tadebi.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/zivur.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609e16432f1ba---vutade.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/nrkt1qklf98jsio13e5n179m7g/46890442273.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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