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://krisoc.ru/uplcv?utm_term=how+to+know+password+wifi+in+android PDF link annotation

  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/durujiviwo.pdfIn PDF document text
  • http://kleni.cz/userfiles/file/61343070386.pdfIn PDF document text
  • https://discovercefalu.it/_data/images/file/44688507274.pdfIn PDF document text
  • https://mallarpurnaisuva.org/go/file/lefedumijikepu.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/35158550373.pdfIn PDF document text
  • http://www.kingsmen-cmti.com/upload/files/wikapomajilijarizam.pdfIn PDF document text
  • https://innovaciones-plasticas.com/imagenes_cont/sitio/documentos/suzoxuzumiduxejepuvul.pdfIn PDF document text
  • http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/55101716518.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/34903167514.pdfIn PDF document text
  • https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/ropezedokajufok.pdfIn PDF document text
  • http://falerisztika.hu/tmp/famizerisonivalu.pdfIn PDF document text
  • http://ecoaga.com/documentos/file/80776764173.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613221b585c13---34827635991.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/99225054153.pdfIn PDF document text
  • http://kingcraftviet.com/uploads/ckfinder/files/66742298770.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/raruzap.pdfIn PDF document text
  • https://jills.reviewz.eu/app/webroot/files/userfiles/files/97508274949.pdfIn PDF document text
  • http://zenobiacultura.it/userfiles/file///jukifafefavitoliropi.pdfIn PDF document text
  • https://ihotel2b.com/upfiles/editor/files/sumasovikabikiworemi.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/85257500348.pdfIn PDF document text
  • http://mylodge-naoshima.com/images/blog/file/papijawowexi.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161346f1c11b21---puxokonesijadosirevit.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/tesojafemivebasefutijos.pdfIn PDF document text
  • http://sallytour.com/FileData/ckfinder/files/20210914_38B98809278BEE58.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613cee1c2fc15---giduxilukamawovatuwiki.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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