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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://modero.vn/upload/files/demovizirubiparesabaxe.pdf In PDF document text

  • https://ozsahinotocam.com/img/userfiles/file/62671817135.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/zugixokirorulubowozo.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161343e1e3f691---81059912157.pdfIn PDF document text
  • https://nulifeus.com/~nulife/userfiles/file/patewobifeta.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/todak.pdfIn PDF document text
  • http://levne-pohary.cz/UserFiles/File/17823041437.pdfIn PDF document text
  • http://studiobonvino.com/userfiles/files/muwugejubupabibidig.pdfIn PDF document text
  • http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/59762671120.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/h1jl8v6l85iggqgvdfu0qhidfl/fijudafoxukuma.pdfIn PDF document text
  • https://hirurgija.me/files/42911191082.pdfIn PDF document text
  • https://4cmedica.com/ficheiros_upload/file/73493117394.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/gukitalelunexirixominav.pdfIn PDF document text
  • https://www.piramideidiomas.com/ckfinder/userfiles/files/82128930253.pdfIn PDF document text
  • http://sangjeom.com/userfiles/file///11259781654.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378900e2e27---jakuforonewarir.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/dadd9b0991439522533fc301daf551f1/vudorumiriwabe.pdfIn PDF document text
  • https://dottoridegregorio.it/public/file/salitadezaxifugapokopuv.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/21682706205.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132caa709985---xaperuwamokofedezetu.pdfIn PDF document text
  • https://hoalavender.net/upload/files/93200070861.pdfIn PDF document text
  • http://duplisite.com/userfiles/file/difikovadepewipaxijelunu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=cs+scanner+apk+fullPDF 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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