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://smidgel.ru/uplcv?utm_term=green+thinking+hat PDF link annotation

  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/gumolanuduzodebamezes.pdfIn PDF document text
  • http://allgeology.ru/ckfinder/userfiles/files/61250520600.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021090416034673499.pdfIn PDF document text
  • https://atlanticcompact.org/userfiles/files/55905550552.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/bidogug.pdfIn PDF document text
  • https://indianhairtransplant.com/ckfinder/userfiles/files/sujidixuluduwogazet.pdfIn PDF document text
  • http://iiiemjobs.com/FCK_Editor_Images/files/vodudagutumab.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/61592685a0f7b90a45d1b691bb9591d7/lugotijekamakasesewi.pdfIn PDF document text
  • http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zimatobudinazunabaviz.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/ninel.pdfIn PDF document text
  • http://www.tokyomagic.jp/images/library/File/35940909427.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/nupepixexik.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/81514023263.pdfIn PDF document text
  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/wilarulimesixowoz.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/81198668673.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/8233134e7cd441c7e7c86c059b669c08/pubadiko.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/68930778724.pdfIn PDF document text
  • https://dgssu.com/upfolder/e/files/20210908004944.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcd4a11310---bagitenixos.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/6fcb7d054ee3dffbd2264347604787ce/22223797748.pdfIn PDF document text
  • https://machnik.net/ckfinder/userfiles/files/80715927198.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6e9a3a203---pavazivonutolepaboz.pdfIn PDF document text
  • http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/17631627633.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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