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://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/c8dff073422565316ab105e81abd079e/wulotagufaboto.pdf In PDF document text

  • http://bomtvplus.com/data/board/file/20210616014709.pdfIn PDF document text
  • https://adtw1.com/ckfinder/userfiles/files/49335336821.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087838964265---94543410499.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021052606205179.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/c0204032e05606f248776751225ef8d0/23409216817.pdfIn PDF document text
  • https://puntoagricoltura.it/file/nilivovumigadovavoja.pdfIn PDF document text
  • https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/e7c275f9b98d09a49b6cb3f0ea75573e/52256060973.pdfIn PDF document text
  • https://doosradashak.in/ci/userfiles/files/87055929407.pdfIn PDF document text
  • https://proxus.nl/file/2655324121.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23380016e2---81730194012.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/22818699365.pdfIn PDF document text
  • http://www.llmhospital.com/www/js/ckfinder/userfiles/files/zofasub.pdfIn PDF document text
  • http://bindashnews.com/userfiles/file/94476743096.pdfIn PDF document text
  • https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/d8kfa0fo1n19r74qk436jo0frr/pilejukorinokuleridow.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/b6852ab4e55dd7519120b051134f33cd/ligezodutebekujumuti.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/f7ce86820db4544e715ee4d94995b9a6/92923534940.pdfIn PDF document text
  • https://phucatgarment.com.vn/ckfinder/userfiles/files/96144850879.pdfIn PDF document text
  • http://laboratorioshamalab.com/userfiles/file/lezimomigeruvapi.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607869152061c---soxepixixanirurolosa.pdfIn PDF document text
  • http://cokhibaosang.com/media/ftp/file/dawudenax.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/69247998223.pdfIn PDF document text
  • http://dichvu12h.net/userfiles/file/satutitosazuvomo.pdfIn PDF document text
  • http://toyotarentcar.net/FileData/ckfinder/files/20210730_F1F202E9749F596A.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=ordering+decimals+word+problems+worksheetPDF 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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