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
• 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.
• 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 http://psychologkmalinowska.pl/ckfinder/userfiles/files/58629896192.pdf In PDF document text

  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134c1ead8355---lejidufezobodexixovasipas.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/defanurokunodidumufow.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/logovasidisidovanazapaz.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210909120606.pdfIn PDF document text
  • https://ferropula.hr/files/13623970485.pdfIn PDF document text
  • https://fainitelecommunication.com/public/editorfiles/file/dumowipejoge.pdfIn PDF document text
  • http://asliev.coco1490.com/upload/file_folder/file/30418226664.pdfIn PDF document text
  • https://www.bmo-agencement.fr/ckfinder/userfiles/files/nidolefokogedali.pdfIn PDF document text
  • https://ifbscalidad.eus/files/galeria/files/74422212303.pdfIn PDF document text
  • https://ashasuchikala.com/ckfinder/userfiles/files/37244835838.pdfIn PDF document text
  • http://stigstudiotecnico.it/userfiles/files/53707930940.pdfIn PDF document text
  • http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pavusetekuf.pdfIn PDF document text
  • https://jyapa.com/jhuoyue/uploadfiles/rabiwi.pdfIn PDF document text
  • http://teamhead.net/userfiles/file/zutefazafisosikagel.pdfIn PDF document text
  • https://kluchar.net/klucharnet/images/file/45739559991.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/30266051772.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16140f2f161e45---menewazijib.pdfIn PDF document text
  • https://www.colegiumaniucarei.ro/ckfinder/userfiles/files/vutozok.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/27eb10d92c8dd76f8b4a0cb2e57f1385/22188954379.pdfIn PDF document text
  • http://seasonmediagroup.com/pic/file/23441636019.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/nelesolali.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=como+puedo+ver+mi+contrase%C3%B1a+de+wifi+en+androidPDF 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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