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
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://gurelupukuji.weebly.com/uploads/1/3/0/7/130775622/3022e1c6f1bda1.pdf.
• 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 https://jacksth.ru/wix?keyword=big+ideas+math+algebra+1+chapter+3+test+answers PDF link annotation

  • https://gurelupukuji.weebly.com/uploads/1/3/0/7/130775622/3022e1c6f1bda1.pdfIn PDF document text
  • http://fopesekebamit.22web.org/anatomy_textbook_online.pdfIn PDF document text
  • https://cdn.sqhk.co/womawuxinuge/fajczgj/cornish_maize_maze_2020.pdfIn PDF document text
  • http://nofuwev.iblogger.org/67499793293.pdfIn PDF document text
  • http://sizupefujexebov.22web.org/zimapixezoxevegedeki.pdfIn PDF document text
  • https://cdn.sqhk.co/kavejufa/hhjgeL4/grand_gangster_3d_mod_apk_android.pdfIn PDF document text
  • https://cdn.sqhk.co/nexokefad/SHOOMa3/jufinexexurifawimugone.pdfIn PDF document text
  • https://mekapejodefab.weebly.com/uploads/1/3/4/7/134740006/buxojoxalowilis.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/jenisozazewubo/44506257349.pdfIn PDF document text
  • http://rasijubesu.epizy.com/24868152976.pdfIn PDF document text
  • http://sozizowumideni.rf.gd/87502916187.pdfIn PDF document text
  • https://s3.amazonaws.com/tugafebip/auld_lang_syne_sheet_music_with_lyrics.pdfIn PDF document text
  • https://s3.amazonaws.com/jepavilutabilel/ajax_post_with_form_serialize.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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