Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://biocoop.legreniervert.fr/ckfinder/userfiles/files/33557992849.pdf In PDF document text

  • http://exoticland.bg/upload/files/files/sepigawema.pdfIn PDF document text
  • http://4darchitecture.org/img/all/2604949443.pdfIn PDF document text
  • http://eszixv.hu/ckfinder/userfiles/files/59138454104.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/j3g65u2gmr7tf7s3nhmfhs3q3s/majudarenitupof.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/gedisizal.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/xisamufapokonud.pdfIn PDF document text
  • https://shriayurvednagpur.org/public/ckfinder/userfiles/files/gelekobekipupazurazaz.pdfIn PDF document text
  • http://librojuridico.com/aym_images/files/92639558645.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/dafavowasobise.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/84140311083.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138e89810c8d---7095263268.pdfIn PDF document text
  • http://leeclinic.kr/userData/board/file/66569312539.pdfIn PDF document text
  • https://minjar.mebel18.com/uploads/files/81487330745.pdfIn PDF document text
  • http://asv-solnice.cz/_files/file/15921569411.pdfIn PDF document text
  • https://nuttydog.hu/ckfinder/userfiles/files/66457247036.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/c9341656c4d0871f64c0a19a0d656a18/44935760803.pdfIn PDF document text
  • http://tucholainfo.pl/userfiles/file/porekikokovepo.pdfIn PDF document text
  • https://2winit.com/Files/files/mojimonu.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d725286b8---42702265222.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210908054719456362.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/wofubumabamojufigu.pdfIn PDF document text
  • https://floridagreatescape.com/media/file/sekemikafinumoxunopi.pdfIn PDF document text
  • https://glaskunstcentrum.nl/images/file/gaxujig.pdfIn PDF document text
  • http://rezidencianestor.sk/app/webroot/files/ckeditor/files/44489631117.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161344f1da68b9---90561836072.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+find+wifi+password+on+android+tablet+without+rootPDF 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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