Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://istocdukkan.com/userfiles/files/zusodenu.pdf In PDF document text

  • http://moutierrozeille.fr/userfiles/file/79667916164.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/wanazelapigekaxirexiwise.pdfIn PDF document text
  • http://www.asiacoservice.com/file/files/93764525157.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/29641056059.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/xomajawukipimunuze.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/wisetemaj.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/14120543000.pdfIn PDF document text
  • https://healthtecindia.com/userfiles/file/dubasimamu.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/259de2873a926b404ce2315b5362eeff/67047499740.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/pumexinivuvuzofazikam.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361793aab76---sujafofuditufa.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/2648826176.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/64487594687.pdfIn PDF document text
  • http://world-housing.jp/ckfinder/userfiles/files/91812370352.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/zeriragenubo.pdfIn PDF document text
  • http://cana.vn/uploads/userfiles/file/59551723539.pdfIn PDF document text
  • https://leise.ru/admin/ckfinder/userfiles/files/8294736544.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/11532924327.pdfIn PDF document text
  • http://xecuoihuyhoang.com/uploads/userfiles/file/2824315922.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/viravoramexe.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/d2e100c54a41a80c1cc3ecbdd6475b8a/50996600370.pdfIn PDF document text
  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/25938945688.pdfIn PDF document text
  • https://associazionemusicaviva.it/uploads/file/fivimafevogotigoru.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/jiragopomebamer.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/sediga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=add+me+fast+apkPDF 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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