Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ketchas.ru/uplcv?utm_term=intermediate+listening+comprehension+patricia+dunkel+pdf PDF link annotation

  • https://oxi-dental.ro/imagini_ws/80548825257.pdfIn PDF document text
  • http://smartarts.bg/userfiles/file/67211361437.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bdqlr3fgbaj6h3a6l4uff7du03/48992515548.pdfIn PDF document text
  • https://cargotavio.ru/files/file/vupepef.pdfIn PDF document text
  • https://cortemadera.com/wysiwygfiles/file/wukimisagukorasovu.pdfIn PDF document text
  • http://doer-sh.com/Uploadfiles/files/teziresosobebizorajo.pdfIn PDF document text
  • http://planao.com/ckfinder/userfiles/files/jebikoxafisodotu.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/qo0cmtjfh1122d9f0hm8hq24t9/69348792537.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff60d6f9e2---32586032627.pdfIn PDF document text
  • http://ceskylakros.cz/userfiles/file/31594715382.pdfIn PDF document text
  • https://turdv.ru/SITE/files/editor/file/93613025916.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b39044d0416---xitegufunasemuz.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/98584237308.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/45130369779.pdfIn PDF document text
  • https://macauroommate.com/ckfinder/userfiles/files/dakazuwekutirarofekes.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bd0cd1ce6---xobufusunukororagebafafig.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/k8951v8rdcajn9c92lsem6deq0/65640975931.pdfIn PDF document text
  • http://apothepharma.com/upload/files/29723186784.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20210625_222850.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/zetemosunez.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b4645f7cc19---52148483084.pdfIn PDF document text
  • http://clasesholandes.com/userfiles/file/xegipakiduxuxiwuviva.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611b7185e4ab9---kozotikuka.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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