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://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/cmd41neo10jltgte8a93vlblgn/62143182055.pdf In PDF document text

  • https://nicklason.se/ckfinder/userfiles/files/57974832318.pdfIn PDF document text
  • http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/papixekib.pdfIn macro / runtime command snippet
  • https://udruga-invalida.hr/files/begoxowolililezawap.pdfIn PDF document text
  • http://bolt-go77.com/fckeditor/userfiles/file/25481748508.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210628025951_2039271498.pdfIn PDF document text
  • http://lakesnwoodskerala.com/uploads/file/nusapadizilodoki.pdfIn PDF document text
  • https://fototipia.hu/files/files/55471074781.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/d8705a5bcd8cef487d3caea5148c8ae4/nazonuvi.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/15027770967.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55b16b8e0---jemefivisev.pdfIn PDF document text
  • https://noticky.net/akce/fotky/file/86015540528.pdfIn PDF document text
  • http://pphjako.pl/userfiles/file/48652478038.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/67232485871.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/3cd8d577b8f5962cdb6d2421cca3010b/zotagujodipokimedoreteka.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/525f2b429e4f0432c2ee9a01c103d531/73228023980.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160753823737d8---70092539531.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/c03jmmp1s8da11aqcp7sdle840/fodimav.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/87622417634.pdfIn PDF document text
  • https://egyptsuntours.com/userfiles/files/60220340035.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/0cfb86fde9beae10f6421ac7069f2c45/31907587362.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ceda16736fa---68784486237.pdfIn PDF document text
  • https://nicklasonIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=freedom+of+assembly+definitionPDF link annotation
  • 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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