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
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=cs+online+club+hacks PDF link annotation

  • http://cdn.eagle.mn/uploads/userfiles/files/lusobonuwumo.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/56794487129.pdfIn PDF document text
  • http://htygroup.com/upload/files/wavewuxasufaj.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/ravopalebub.pdfIn PDF document text
  • https://marlschuz.com/userfiles/files/jixojebakupuwewovija.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/a7e6b70c23a3ee48579640de3bb4ab21/50354605959.pdfIn PDF document text
  • https://tinhhoaxanh.vn/userfiles/file/81020393849.pdfIn PDF document text
  • http://ks-system.co.uk/ckfinder/userfiles/files/51579964685.pdfIn PDF document text
  • http://sake2metustin.com/uploads/files/roxapo.pdfIn PDF document text
  • http://www.tahi.hu/ckfinder/userfiles/files/zutoguter.pdfIn PDF document text
  • http://xy-interior.com/uploads/files/202109061443194271.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b48880b23a---dufimogalunikajimonamuben.pdfIn PDF document text
  • https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/pegetenumopetuj.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614497de7b83e---82125825583.pdfIn PDF document text
  • http://www.beautyvogue.ch/Files/file/22006909052.pdfIn PDF document text
  • http://pune-india.info/userfiles/file/joniripomisasizupobopeso.pdfIn PDF document text
  • http://itena.si/uporabnik/file/55397180668.pdfIn PDF document text
  • https://presentkompaniet.com/img/content/file/54936422191.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/nasif.pdfIn PDF document text
  • http://importfoodfair.com/userfiles/image/2021/09/file/mibaxojaxinudamirovize.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/a25664bcea3049edb3428b3658229c58/97400809596.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/f19e943ff8bf733b01c15b37cda0baa3/kerutamalikurijita.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/23979905036.pdfIn PDF document text
  • http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/liduguguwav.pdfIn PDF document text
  • http://garantc.ru/userfiles/file/wivobeze.pdfIn PDF document text
  • http://combatkuntao.comIn 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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