Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://crophysi.ru/aws?utm_term=subject+relative+clauses+exercises+pdf In PDF document text

  • https://cdn.sqhk.co/widexerun/ccbn3ja/19924703989.pdfIn PDF document text
  • http://lokogosomezik.iblogger.org/fedosidugizudujezeredo.pdfIn PDF document text
  • https://cdn.sqhk.co/fasotaluvose/0hbxh4J/the_walking_dead_michonne_game_voice_actors.pdfIn PDF document text
  • https://cdn.sqhk.co/leperanurosi/ifhazKV/lidanasuzorazakogu.pdfIn PDF document text
  • http://xudogiborijum.66ghz.com/atlantic_rim_resurrection_movie.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384050/normal_5ff00a4b74624.pdfIn PDF document text
  • https://cdn.sqhk.co/woteruzid/eUIij0N/bolukesuzogod.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369318/normal_6008ceda7f752.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421937/normal_5fdbd12e116e5.pdfIn PDF document text
  • https://suzoniku.weebly.com/uploads/1/3/4/4/134456843/niwuni.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474720/normal_5fe3afe878651.pdfIn PDF document text
  • https://site-1174826.mozfiles.com/files/1174826/75239317612.pdfIn PDF document text
  • https://site-1214400.mozfiles.com/files/1214400/aapt_tool_android_studio.pdfIn PDF document text
  • https://site-1178419.mozfiles.com/files/1178419/green_yellow_wallpaper_iphone_6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bepinutarefe.rf.gd/antivirus_android_mobile_app.pdfIn PDF document text
  • 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://scripts.sil.org/OFLIn PDF document text

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