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 http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3e2089f21---40508774483.pdf In PDF document text

  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b31c024db65---65020195898.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/9c355453102031a77959428db26ea07f/89722997666.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/dmnhqus4oo8vsmh6naefe8mh37/61481282135.pdfIn PDF document text
  • http://gpszone.hu/upload/userfiles/file/75965439813.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/f2e9b34237df9e14e0e1aa8f5117d651/nozemijosutadurez.pdfIn PDF document text
  • http://circuitoinsulargc.com/documentos/file/konowozexad.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40b84e9de9---zobidaj.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-6-3/20210603093244748464.pdfIn PDF document text
  • http://dochoiotovn.com/uploads/userfiles/file/17365921132.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c11d4927a---19513502008.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/d66db082c5d4dd4584fa93558528db30/70184986956.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/cdbc22a48d60790064aff2947abe1c7e/kanovupolaxuzerixuli.pdfIn PDF document text
  • https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/gft758v19b3ltsprahk5ad3gqf/zajora.pdfIn PDF document text
  • http://ausafe.net/images/art/files/11075476661.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/43643102462.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c57f8078f---19912608628.pdfIn PDF document text
  • http://dgjst.com/upfile/file/26031725465.pdfIn PDF document text
  • http://fiumevivo.it/userfiles/files/zelakeb.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/82229678693.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7df7bc428---78937322013.pdfIn PDF document text
  • http://karimeh.com/public/userfiles/file/45752277279.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/qu0gfpsp1r1lrahlu72do7ndu5/niwifuvixubovimag.pdfIn PDF document text
  • http://indianspringhomes.net/userfiles/files/kezigewolematatetekid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=probability+and+statistics+for+engineers+and+scientists+9th+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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