Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://jumiwimov.ru/strik?utm_term=organik+kimya+%25C3%25A7%25C4%25B1km%25C4%25B1%25C5%259F+sorular+ossmat PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4485943/normal_5fdb2856141f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407777/normal_601dc35b5dd46.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464323/normal_6005e005c7073.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409604/normal_6060f68819293.pdfIn PDF document text
  • https://s3.amazonaws.com/zodawanuror/sql_server_replicate_database_for_reporting.pdfIn PDF document text
  • https://doxujivadew.weebly.com/uploads/1/3/4/8/134875716/dejasosebifaka.pdfIn PDF document text
  • https://s3.amazonaws.com/pululusodogi/picard_flute_song_sheet_music.pdfIn PDF document text
  • https://s3.amazonaws.com/dagasopones/tepur.pdfIn PDF document text
  • https://s3.amazonaws.com/zodawanuror/canadian_citizenship_study_guide_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/memexelu/introduction_to_academic_writing_vk.pdfIn PDF document text
  • https://s3.amazonaws.com/babetafaperaxov/hedwig_s_theme_piano_sheet_music_advanced.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491148/normal_6022f5277383a.pdfIn PDF document text
  • https://s3.amazonaws.com/sesafefanulokam/which_are_the_different_types_of_ecosystem_answer.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4463551/normal_6036ad3fad1ba.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4496204/normal_6008f4d5ee057.pdfIn PDF document text
  • https://s3.amazonaws.com/donake/chadariya_jheeni_re_jheeni_video_status.pdfIn PDF document text
  • https://s3.amazonaws.com/fenatagazise/circumference_of_circle_word_problems_worksheet.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370996/normal_600c8bf104bc5.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagoba/93864403358.pdfIn PDF document text
  • https://s3.amazonaws.com/fowikorejodi/parathyroid_gland_histology_guide.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374685/normal_5ff9c09530b16.pdfIn PDF document text
  • https://dapobirot.weebly.com/uploads/1/3/4/8/134888013/1705607.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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