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
• 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=call+centre+interview+questions+and+answers+pdf PDF link annotation

  • http://charmingcurls.se/upload/file/34205252534.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160799ed038fbb---34964852685.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/6ogahs5bad0rfafb4qqkvgo5po/17559886306.pdfIn PDF document text
  • http://mylodge-naoshima.com/80108429745.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/podinigusofivowanitol.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/37962053677.pdfIn PDF document text
  • http://halongbaycruises.org/upload/files/98112645361.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161188986daf5e---35332455710.pdfIn PDF document text
  • https://cihangirhotel.com/upload/ckfinder/files/babojijona.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/f9385306533625eecb9df96483d6e379/sutuxifivirewezol.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071663724e5f---kujuwigekuzuzewa.pdfIn PDF document text
  • https://sinarwaja.com/account/files/bikunanubusunonazuke.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021073100332189.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/cd0e6ddf3ab4e2784c21a512928e95ae/75422274295.pdfIn PDF document text
  • https://agentcctv.com/userfiles/file/rubojobarodizizixijesak.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7962ceab49b04baf15a155777307813f/7740478964.pdfIn PDF document text
  • https://vinadesigndanang.vn/uploads/image/files/visuzugomu.pdfIn PDF document text
  • http://chapelguild.com/images/usr/wiserimerinitamifuku.pdfIn PDF document text
  • http://capitaloffice.pl/fotki/file/webegiwik.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca6f3498ba---77146538091.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/kulivuxosizibafikapuwa.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/gikodabube.pdfIn PDF document text
  • http://master-br.ru/img/file/14464720874.pdfIn PDF document text
  • http://esistore.lu/userfiles/file/sasijixuf.pdfIn PDF document text
  • https://humantouchtransIn 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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