Malicious PDF — malware analysis report

Heuristics 7

• 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 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://yafferge.ru/123?utm_term=daffynition+decoder+answer+key+lumberjack In PDF document text

  • https://cdn.sqhk.co/xuxozowaki/XsPhBQj/garmin_fenix_5_heart_rate_monitor_chest_strap.pdfIn PDF document text
  • https://cdn.sqhk.co/pabelewexo/gdDgegh/tasks_notes_online.pdfIn PDF document text
  • https://cdn.sqhk.co/linaxezo/KWhgjja/83636505027.pdfIn PDF document text
  • https://cdn.sqhk.co/zexupibo/HVQigLI/ravens_steelers_2020_box_score.pdfIn PDF document text
  • http://rujawobezixevib.iblogger.org/english_to_french_dictionary_for_pc.pdfIn PDF document text
  • https://dofemavuxowag.weebly.com/uploads/1/3/0/7/130739836/netavinore-tagogaliriluwoj-nosedese.pdfIn PDF document text
  • https://cdn.sqhk.co/sobutexe/6hfGnii/betigavipedinavo.pdfIn PDF document text
  • https://cdn.sqhk.co/reriwoduriju/qjaeQD2/gavugaduleto.pdfIn PDF document text
  • https://cdn.sqhk.co/sekigizakeku/gihcheW/70219172554.pdfIn PDF document text
  • http://lefavapexusa.iblogger.org/lixatozi.pdfIn PDF document text
  • https://cdn.sqhk.co/bijozugetav/PrPbXhf/44029263683.pdfIn PDF document text
  • https://gewipilozu.weebly.com/uploads/1/3/0/7/130775211/5041885.pdfIn PDF document text
  • https://cdn.sqhk.co/gotuxixovumu/ohqLhaM/64049322101.pdfIn PDF document text
  • http://jekejivininiser.22web.org/alexandra_burke_songs.pdfIn PDF document text
  • https://cdn.sqhk.co/wadelovelo/jsibIgd/tisomozugebilujojifedelur.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fetapewifug.epizy.com/ti_81_graphing_calculator.pdfIn PDF document text
  • http://zebinopo.epizy.com/decimals_on_a_number_line_worksheet.pdfIn PDF document text
  • https://f538c46d-6aff-4997-95da-320e40b30403.filesusr.com/ugd/262ba4_c4cd094f36bc40ff890c392c208c41aa.pdf?index=trueIn PDF document text
  • https://86b7bb9a-6a0b-496c-a062-e8aa60c365d0.filesusr.com/ugd/dcf311_b64f81f01c2c416089bc24a5de89b6b0.pdf?index=trueIn PDF document text
  • https://d8d691c7-cf48-432b-bece-a54604b57851.filesusr.com/ugd/1e3a4b_d4b275987d8e49c0a59c3f48e23b5fb9.pdf?index=trueIn PDF document text
  • https://6f2fb29c-15f2-4b08-b525-3eb91a7f0a41.filesusr.com/ugd/c3548c_edc5030cb64243e285a69f9c6945411c.pdf?index=trueIn PDF document text
  • http://dakunexafabeve.epizy.com/7862045475.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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