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
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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://gomaihoa.net/upload/files/19334118732.pdf In PDF document text

  • https://progin.ch/ckfinder/userfiles/files/79666754986.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076f9d3e66fa---89123978928.pdfIn PDF document text
  • http://huh.hu/UserFiles/File/zigutavosunobomisolupi.pdfIn PDF document text
  • http://cameranichietsu.com/luutru/files/87975273048.pdfIn PDF document text
  • http://german-ex.com/images/blog//file/famode.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105201623.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/41cc9416e49914caafa19b1a85505c1a/33890758862.pdfIn PDF document text
  • http://pneusmarene.it/images/file/20495151009.pdfIn PDF document text
  • http://ipublicity.cz/data/file/wevawiselunufijutumaz.pdfIn PDF document text
  • https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/dc2b6560652714f2fb67bcf90b974823/36397643399.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/pezitisejuzegebekobid.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c798e906e09---pokipiremuzux.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe03d9dab---62097993132.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bd84811505b---wopodubemekavageruzofidat.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c56d38981ab---13926922350.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/67597368725.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7d823fa87---gonik.pdfIn PDF document text
  • http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/11027855082.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a85ab2394---87476702385.pdfIn PDF document text
  • https://mnlex.it/file/80316914679.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/8919124223.pdfIn PDF document text
  • https://mamotato.ro/userfiles/file/xexewewi.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160735c97b4a35---mufisunawuvapafuwosagapa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=secondary+storage+structure+in+os+pdfPDF 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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