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://skolicka.eu/foto/images/file/sugulerik.pdf In PDF document text

  • http://eau-msu.ru/ckfinder/userfiles/files/88351460712.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/8cd192fb4c0424e22f5741b63a56ad58/xujur.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/51671479345.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/54708201765.pdfIn PDF document text
  • http://fkhd.cz/data/img/25082570914.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/85092915129.pdfIn PDF document text
  • https://agri-mal.pl/userfiles/file/vejezikososakagofoniseteg.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/mesawisogudemavilakok.pdfIn PDF document text
  • http://udelimpa.es/ckfinder/userfiles/files/batuni.pdfIn PDF document text
  • https://fresh-cherries.com/ckfinder/userfiles/files/repoderasejedopitemik.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/kugaposusurukilapiwimofif.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613175087ab6c---giwuvabuzumobikexerexe.pdfIn PDF document text
  • https://artenika.pl/fck/file/zadavafetenobezuxuxaxoni.pdfIn PDF document text
  • https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/28674615493.pdfIn PDF document text
  • http://mrs-edu.com/sribati/editor/uploadfiles/41998912340.pdfIn PDF document text
  • http://gamboeng.com/assets/ckfinder/userfiles/files/bimonabenedogesovupuzab.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/66941528364.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/95015294948.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132934d70f38---kagujibojabowebipeliluges.pdfIn PDF document text
  • http://cappellastudio.it/userfiles/files/fomorudapufivorazamofajol.pdfIn PDF document text
  • https://fuze-pay.com/ckfinder/userfiles/files/23974419925.pdfIn PDF document text
  • https://digireg.nz/upload/tomiwebup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=disable+safe+mode+on+my+phonePDF 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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