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://drafthe.ru/uplcv?utm_term=hunter+assassin+apk+android+1 PDF link annotation

  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614263d003ef7---98814567012.pdfIn PDF document text
  • http://whuntex.ru/userfiles/file/90750117922.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/lenivasumexidiza.pdfIn PDF document text
  • http://stylekd.ru/files/vunezelexipadarilakak.pdfIn PDF document text
  • https://alrashed-alsaleh.com/userfiles/files/95357135132.pdfIn PDF document text
  • http://greenhousehotel.vn/uploads/image/files/87913494486.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/24218179940.pdfIn PDF document text
  • http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/fumuzo.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/b4ae56e1a46cbac6a985ab63c154b052/34399508410.pdfIn PDF document text
  • http://xaydunghoangthanh.com/img_duhoc/files/sofokaf.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/3573402239.pdfIn PDF document text
  • http://juentai.com/userfiles/files/49862681354.pdfIn PDF document text
  • https://greenboo.vn/uploads/files/59609492007.pdfIn PDF document text
  • http://iraneto.com/basefile/iranetocom/files/dupukeruwazemugodano.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/90999005946.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/76795565269.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/polamusifoxade.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/60603018932.pdfIn PDF document text
  • https://lengthening-sldf.com/userfiles/file/nezidupevapekilikil.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/zalawux.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a39e2c8a3c13db6474c0c0e9f327ba3d/31783616654.pdfIn PDF document text
  • http://kramnyca.info/img/upload/editor/file/fedepazin.pdfIn PDF document text
  • https://shevtsov-art.com/uploads/files/84312249965.pdfIn PDF document text
  • http://www.pics4us.de/userfiles/file/87007112292.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-9-11/20210911171010993996.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613b71b02acf5---40605638200.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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