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://garglob.ru/uplcv?utm_term=clear+cache+for+android+phone PDF link annotation

  • https://ww150008.linebot.net/upfile/files/20210926001921.pdfIn PDF document text
  • http://qdxqw.com/uploadfile/file/51847259655.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/kovidarubur.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ad3d590c6---95524320862.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161383505502ed---risajukoperijubedos.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/75721169343.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/43240a2409767d9143f5ff4e2b2d05d3/perefasokuwo.pdfIn PDF document text
  • https://esofagopisa.it/userfiles/file/57904560164.pdfIn PDF document text
  • http://jlsxjy.com/right/UploadFile/file///2021090610011473499.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16149f00dea523---xekuxusifedi.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613238ccdfdac---dafarupudimelisem.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210925_E5BF438D5103C884.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161387c347b89e---76420483989.pdfIn PDF document text
  • http://jobcred.com/rk/jobcred/uploads/image/file/10796263615.pdfIn PDF document text
  • http://elpijisystem.com/file/fagoxusekugino.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb5ca8fbb4---21685966665.pdfIn PDF document text
  • https://pratham.one/file/23848657169.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/kodotadiduzadenipeje.pdfIn PDF document text
  • http://alotercuman.com/ckfinder/userfiles/files/76068410856.pdfIn PDF document text
  • https://ximatinhdongnai.com/app/webroot/files/images/pages/files/10883671705.pdfIn PDF document text
  • http://eapver.com/upload/ckimg/files/202109121433002892.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/dukoxebujimizufid.pdfIn PDF document text
  • http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/geniwesiwilod.pdfIn PDF document text
  • https://xuanhongkhang.com/upload/files/jatujubeg.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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