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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• 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://medvor.ru/uplcv?utm_term=is+rooting+your+phone+bad PDF link annotation

  • http://ourdesign.hk/ckfinder/userfiles/files/64740802969.pdfIn PDF document text
  • http://kelsenator.com/userimages/25581790280.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/82097322629.pdfIn PDF document text
  • http://gerastar.com/userfiles/file/nexovisaxosi.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/59566392700.pdfIn PDF document text
  • http://sanfrancescovet.com/userfiles/files/zevelexow.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///567409104.pdfIn PDF document text
  • https://nusamulticentralestari.com/Uploads/userfiles/files/79615613036.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/cmddb7j5cs7dvl6d6lvsa3ieev/duvijuwi.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/jalegefirobaw.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/letapejalavejidofidedoja.pdfIn macro / runtime command snippet
  • http://otohondamientay.com/upload/files/vutazedikazip.pdfIn PDF document text
  • https://ww150001.linebot.net/upfile/files/20210912175009.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138f2c112efb---99686126707.pdfIn PDF document text
  • http://kabaretyimpresariat.pl/Upload/file/96748780134.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/bc8acda3fcaf1b784306b159a0e65aab/vovilu.pdfIn PDF document text
  • https://asi-filter.pl/files/file/guzavep.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/44839409963.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/851551463.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613259f2c1880---39735439689.pdfIn PDF document text
  • http://candientuvibra.com/images/file/mojomos.pdfIn PDF document text
  • http://vssteel1999.com/ckeditor/userfiles/files/43104357120.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/kixofefufuginujijipap.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-9-4/20210904114906797064.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/76ac2dd913b956683ad99aba0498b614/xigusegoniniminuwi.pdfIn PDF document text
  • http://abogadosaguilIn macro / runtime command snippet
  • 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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