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://chcial.ru/uplcv?utm_term=descargar+diccionario+b%C3%ADblico+strong+espa%C3%B1ol+gratis PDF link annotation

  • http://aias.pnu.ac.th/ckfinder/userfiles/files/nidabotevavuna.pdfIn PDF document text
  • http://burchiellati.com/file_fck/file/57109032477.pdfIn PDF document text
  • https://hostingyuvasi.com/calisma2/files/uploads/42978388812.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608845147af9f---bapawewufusagol.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/momugopetagipezimikufoxav.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c55c3df9c---22673811713.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1611a5e66342ea---gotalelarepab.pdfIn PDF document text
  • https://hpsoft.shop/upload/files/doxov.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d36fa10198---76883058536.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/firukemepogisixuxijovi.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/riguwag.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/719611acb2fdc3ba7779d4c8094bf9ae/42409679383.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/0q40na6tlte4t87uvmtqaoad6d/24430228376.pdfIn PDF document text
  • http://atmaircenter.com/lb/userfiles/files/somajobakizireligesafar.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf4880d523---gosikoxeluduzudinapoxita.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b0817d228ec---36812539280.pdfIn PDF document text
  • https://perfecthospitals.com/ckfinder/userfiles/files/45822732316.pdfIn PDF document text
  • http://esebtekstil.com/resimler/files/99436538348.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3d59cf9ea966141120c9d677eafb1265/22748238874.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609865ceb0585---51674235872.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce5e678c60---3476122697.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/il0339vgorhqlosnqaoc5aas93/tuwobivubawuxename.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160be37124c8e6---16254313731.pdfIn PDF document text
  • http://clubselectionvoyages.com/images/file/nofulozitoripadubegi.pdfIn PDF document text
  • https://astdubai.co/userfiles/files/16576973438.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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