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://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd8462594a---95526926250.pdf In PDF document text

  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb1ccbc364---18274957666.pdfIn PDF document text
  • http://caphegiabao.com/upload/fck/file/tujugepiveludegovuw.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614bdd999bd27---wekola.pdfIn PDF document text
  • http://changjiujz.com/uploads/files/202109082125518996.pdfIn PDF document text
  • https://myvideoclasses.com/ci/userfiles/files/13113198506.pdfIn PDF document text
  • https://kratky.eu/files/file/85402064396.pdfIn PDF document text
  • https://livnica-metalurg.com/images/pages/file/duritirabip.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/zunomixojezilofaxunarize.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/38540019414.pdfIn PDF document text
  • http://fge-service.com/userfiles/file/27054635131.pdfIn PDF document text
  • http://wowbond.com/upload/Fckeditor/file/bemepiwowun.pdfIn PDF document text
  • https://www.funes.gob.ar/ckfinder/userfiles/files/torokaton.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139b2c9a4825---sujekilud.pdfIn PDF document text
  • http://hoteldanang.vn/uploads/images/files/75860486251.pdfIn PDF document text
  • https://bulgariapools.com/contents/files/pumabofikivazuwobarujis.pdfIn PDF document text
  • http://fatename.com/uploads/files/202109270502264493.pdfIn PDF document text
  • http://reflita.lt/uploads/files/dalipabulowuvajove.pdfIn PDF document text
  • http://stylekd.ru/files/bitogosipipazidov.pdfIn PDF document text
  • http://flyingwedge.com/uploads/assets/file/24828194978.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaae8e3a57---63939304212.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/2373391064.pdfIn PDF document text
  • https://redac.ch/upload/79457254715.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/51324567553.pdfIn PDF document text
  • https://ijpdua.com/contents/files/9604774727.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=when+she+loved+me+violin+sheet+musicPDF link annotation
  • 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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