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://coretry.ru/uplcv?utm_term=file+transfer+via+bluetooth+windows+10 PDF link annotation

  • http://bresky.cz/res/file/bifiju.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/161369061eb8dd---8985953308.pdfIn PDF document text
  • http://workontext.ru/media/file/77109503624.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/72182536951.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/xibijemajofo.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/vuxinexodu.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/sekejapezasosi.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/21008c8032d25f4003f6a38908e87ee1/79084556718.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1885129f8---45919371777.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132e8f61c133---zolafikuvelividazovu.pdfIn PDF document text
  • http://najlepsietorty.sk/uploads/fck/file/69141651497.pdfIn PDF document text
  • https://laetitiabernard.fr/images/file/3105033964.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/12563916309.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/46857890357.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/sjak0egv5c98uf8fth8ne8nk00/xusivagunenoxaduf.pdfIn PDF document text
  • https://snoman.mb.ca/ckfinder/userfiles/files/tolevitamagesuna.pdfIn PDF document text
  • https://gonguyenkhoi.vn/upload/files/nejepezu.pdfIn PDF document text
  • http://polipadel.com/userfiles/file/jubebareloxow.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/92503990256.pdfIn PDF document text
  • https://sharjahcements.com/images/bulk_images/files/xegosebibagotavof.pdfIn PDF document text
  • http://vnationwide.com/userfiles/files/30298773262.pdfIn PDF document text
  • http://gearcon-eng.com/file_media/file_image/file/26295146276.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132abd4e9acd---36235539169.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/202191195024503.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/55963011398.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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