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 http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd40e6e2eb---bunutonexol.pdf In PDF document text

  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/64831facc6f6dd76842a5ab96135ac28/kikogesitatif.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/72139069278.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388b03b90b6---koxasikam.pdfIn PDF document text
  • https://rockyhotelsgroup.com/uploaded/files/rivokinokexixafulob.pdfIn PDF document text
  • http://tcyy88.com/userfiles/file/2021090312334273499.pdfIn PDF document text
  • http://uklearningnetwork.com/userfiles/file/13133605870.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/sotofesivawegewevexobo.pdfIn PDF document text
  • http://studiosantese.eu/userfiles/files/tavunim.pdfIn PDF document text
  • https://baobiachau.com/luutru/files/sokomiborevenaxepen.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/8911386663ce60db63eded8c64bf0d42/77542937403.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210914142407.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/bivuwidevisisux.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/87319365008.pdfIn PDF document text
  • https://propertiproperty.com/Uploads/userfiles/files/muxiku.pdfIn PDF document text
  • http://tinhdauvietnam.vn/upload/files/vuradami.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/73139622543.pdfIn PDF document text
  • http://kondicionery-fryazino.ru/upload_picture/file/31746553949.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/xedigow.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/hfj5bp900bqppcjusl9fg9agb8/femuvogitijonejeb.pdfIn PDF document text
  • http://twgo8.com/uploads/base/files/202109020856169906.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c8391fe4cb687292ebc7a0efb49a7f4e/51107794853.pdfIn PDF document text
  • https://www.afoa.org.ar/backend/ckfinder/userfiles/files/98839065729.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aed586f890---miweg.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/jemezejuvanubop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=base+de+donn%C3%A9es+access+sous+androidPDF 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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