Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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 http://jar-ted.pl/file/63113931628.pdf In PDF document text

  • http://tiendanatacion.com/noticias/files/52432351558.pdfIn PDF document text
  • https://gdaniec.com/upload/files/sirorizufapixar.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a97f8aef93c715cb0f213f8583f45036/99920025380.pdfIn PDF document text
  • https://weldingportal.it/userfiles/file/43259138506.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/88313527793.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/6ee293a1b3a7a94f36d4003270a5f96b/81187336219.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202109102155105845.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/68861050211.pdfIn PDF document text
  • http://bienbao.org/uploads/files/wekikadulusazopeseruj.pdfIn PDF document text
  • http://kmsenior.org/file/files/75487868404.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/v7tvg4kqti1bc4f101f92icpul/fapuramitokigofu.pdfIn PDF document text
  • http://batistar.fr/userfiles/file/90849920353.pdfIn PDF document text
  • http://greece-ex.com/images/blog/file/webesevozewajenedakavuzo.pdfIn PDF document text
  • http://fuguchair.com/upfolder/e/files/20210909040648.pdfIn PDF document text
  • http://soleilboo.com/images/uploads/files/34536560794.pdfIn PDF document text
  • http://refpecsbelvaros.hu/kepek/files/71731887816.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a16166f6c3---jalikudebos.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/37246965683.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/1050623357613c2278bac0d.pdfIn PDF document text
  • https://fiscconsulting.com/userfiles/file/tikelig.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/8650578369.pdfIn PDF document text
  • http://cloverdiamond.com/file/77903047453.pdfIn PDF document text
  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/51693403714.pdfIn PDF document text
  • http://azco.friend-match.com/upload/files/33892065548.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pokemon+go+hack+toolPDF 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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