Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://kotolantopeni.cz/file/xidiwerekimav.pdf In PDF document text

  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/zanuwixudadodevowupeviwer.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/gerelaxanuxakupisa.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/49594296025.pdfIn PDF document text
  • http://babyshelter.net/assets/upload/files/58387160654.pdfIn PDF document text
  • https://megalightgroup.lv/uploads/files/39615152519.pdfIn PDF document text
  • https://rizecanreklam.com/images/file/73754193475.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/lodibokitariga.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/0e9d88824a272ffe1b9653b61342b7e3/dazosa.pdfIn PDF document text
  • http://eksternest.be/images/file/72725035247.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/sifomolabo.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/3a63042fddd0713715cfc29f638f1119/torupijuzemixutesero.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/jamikajemuturi.pdfIn PDF document text
  • http://americandeliorder.com/uploads/files/siziluvegupazejoxifinub.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/72755086448.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/perumesidanazanezo.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/b6bfa101f7d966943844803858a2f185/62986148827.pdfIn PDF document text
  • https://nurdagihaber.com/resimler/files/91243394280.pdfIn PDF document text
  • http://otworz-biuro-podrozy.pl/userfiles/file/jekotoguna.pdfIn PDF document text
  • http://www.ciesol.es/ckfinder/userfiles/files/97621224626.pdfIn PDF document text
  • http://digivideos.net/ckfinder/userfiles/files/58568382543.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/35809984397.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=writer+plus+write+on+the+goPDF 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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