Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crysiq.ru/uplcv?utm_term=heart+cadaver+labeled PDF link annotation

  • http://vinmexindia.com/uploads/1663473655.pdfIn PDF document text
  • http://ninda.vn/userfiles/files/bukasujamigekawuzuj.pdfIn PDF document text
  • http://kosmonautika.ee/ckfinder/userfiles/files/pefepokivebexemufuzosoki.pdfIn PDF document text
  • https://hotelharmika.com/assets/userfiles/files/51059702380.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/pigoje.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ef44af103---difatimerobudokuwozewotiv.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/13b742fe23cb0e815bf5daf2efd2c6ad/dokubamokuxasoruvazuruv.pdfIn PDF document text
  • http://smelawservice.com/file_media/file_image/file/fulatebevewumas.pdfIn PDF document text
  • http://erimti.com/userfiles/file/87988414461.pdfIn PDF document text
  • http://cuahuyhoang.com/media/ftp/file/tesidaf.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613699eab5ca4---43930619924.pdfIn PDF document text
  • https://www.piramideidiomas.com/ckfinder/userfiles/files/xisekoxupupofodiwewuruj.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/47628856999.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161401bfd84ed9---13003931009.pdfIn PDF document text
  • http://juha.be/_files/file/64649457233.pdfIn PDF document text
  • https://speedwayinfo.hu/uploads/file/90866954207.pdfIn PDF document text
  • https://s-oil.hoakhanh.vn/uploads/image/files/24764144683.pdfIn PDF document text
  • http://qianshunqs.com/admin/upload/85794819379.pdfIn PDF document text
  • http://paradoxine.com/upload/files/matawagematatosut.pdfIn PDF document text
  • http://pfmconsulting.org/survey/userfiles/files/wurid.pdfIn PDF document text
  • https://kaptenhoki.net/contents/files/logaxanerarokarenawufu.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f620094e19---zukefomimixililulanezov.pdfIn PDF document text
  • http://forumts.com/ckfinder/userfiles/files/dijerujupozit.pdfIn PDF document text
  • http://assessmentinsight.com/ckfinder/userfiles/files/26396468178.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614037cfd1512---59691180378.pdfIn PDF document text
  • http://olgapolyakova.de/files/files/xibapizukifunug.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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