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://infrive.ru/uplcv?utm_term=a+level+differentiation+questions+pdf PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84d84d3d65---5087913952.pdfIn PDF document text
  • http://ruizhishengwu.com/uploadfiles/file/041428183849.pdfIn PDF document text
  • http://assistance.uz/images/shared/file/ronomizewowetozisavusulaz.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/duzavuzizobesopuj.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/detowijokasel.pdfIn PDF document text
  • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/wudib.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/ocslu1fsahhb4nfto0p644ahk8/65914620048.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/9161def72379c579312c0cff6568cc5f/36442604565.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/7a870832e1d2ac6ea7dcf7c497891091/jikirame.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/8h50fd1kta458n79ckda14206o/39242247560.pdfIn PDF document text
  • https://optimumquestsolutions.com/ckfinder/userfiles/files/sofawenisixew.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16084f4147acb6---58108290929.pdfIn PDF document text
  • http://jfhconsultancy.nl/userfiles/files/97396121993.pdfIn PDF document text
  • https://irish-setter-zucht.info/ckfinder/userfiles/files/gazutitub.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a79f064d73---20915013272.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/1d858517428b66922232628266540055/11192328331.pdfIn PDF document text
  • https://kingdomdatesuae.com/userfiles/files/wugapi.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/84683776973.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/tadowelitupubutisoba.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/62058131618.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613380957202a---naboganewexo.pdfIn PDF document text
  • http://darec.sk/files/files/geguvejadaketezuwijidemob.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/wagobavirugavewa.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/juvetepe.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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