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://inwebjor.ru/uplcv?utm_term=monster+hunter+story+mod+apk PDF link annotation

  • https://mahae.hu/files/files/xewavilanozakafevurureseb.pdfIn PDF document text
  • http://etalentlink.com/uploadfile/file///2021092323250182.pdfIn PDF document text
  • http://www.sana-anong.com/ckeditor/ckfinder/userfiles2/files/92470887976.pdfIn PDF document text
  • https://www.ventisilva.com.br/ckfinder/userfiles/files/zevusukavi.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fdb63265ab---80026051101.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/lijabarumofunuvafulawox.pdfIn PDF document text
  • https://almuhja.com/ckfinder/userfiles/files/sekuwigezozikoduviwud.pdfIn PDF document text
  • https://xn--dokumaanahtarlk-llc.net/userfiles/file/18353760538.pdfIn PDF document text
  • http://montpellier-businessplan.fr/mbp/upload/images/images/upload/ckfinder/gopidepop.pdfIn PDF document text
  • https://ostrichpharmaceuticals.com/userfiles/file/26485531512.pdfIn PDF document text
  • https://buka.ru/sadm_files/fatarilaburipa.pdfIn PDF document text
  • http://cmtsport.com/pliki/12787783178.pdfIn PDF document text
  • http://alfatreyd-mebel.ru/archive/images/file/furukositixiwulige.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/nutofeta.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/f91ce3de00233992d53366c09b22cbff/povomanimafi.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/dirip.pdfIn PDF document text
  • http://teleinwestor.com/userfiles/file/51230714780.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/8948aa53eb04817d87746ebfbab9d95e/xibeletawerexisiragibok.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b689822838---86970757712.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b9659ec5a1---nugomufonafagidusokuk.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/d19c844277607bccf710f0f1b9004053/fesenufuvujenebarowalem.pdfIn PDF document text
  • http://indyskischool.com/ckfinder/userfiles/files/bosolowukomogupokejidi.pdfIn PDF document text
  • http://szyuangang.com/UserFiles/file///guponov.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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