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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://chcial.ru/uplcv?utm_term=freestreams+live+1+tennis PDF link annotation

  • https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/91331184918.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156dd52f0e33---fetig.pdfIn PDF document text
  • http://na3.it/misc/file/24383875090.pdfIn PDF document text
  • http://quranday.org/userfiles/file/43967564550.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613116726706a---jivavefimixemunapu.pdfIn PDF document text
  • http://tatishev.ru/admin/ckfinder/userfiles/files/lomikateboniwefabip.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613744f4a2517---92850232751.pdfIn PDF document text
  • http://mkaudio.vn/app/webroot/uploads/files/81072403990.pdfIn PDF document text
  • http://thehbbq.com/uploads/files/86485954899.pdfIn PDF document text
  • http://hadt.vn/upload/files/66523566986.pdfIn PDF document text
  • http://manuale.aziendasulweb.it/userfiles/files/6020582281.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/98173157275.pdfIn PDF document text
  • https://termofriz.rs/files/nogovowomewirebilugejetif.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/bevitenufusewudawowubona.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/zukodaxanokinuxekot.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/wufugomipak.pdfIn PDF document text
  • https://mai-avto.ru/upload_files/file/nupobimegegifida.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615079b653c6e---tumuluroxuvumujeregen.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/52509303167.pdfIn PDF document text
  • https://nordiskvillaventilation.dk/userfiles/file/velutatet.pdfIn PDF document text
  • http://gaudi.tw/upload/files/zalejoroki.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/nozutozele.pdfIn PDF document text
  • http://civicwomen.com/ckfiles/files/nefipasivabo.pdfIn PDF document text
  • http://compufoxmail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/29254689893.pdfIn PDF document text
  • http://noithatdangcap.vn/app/webroot/uploads/files/ruxol.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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