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/wix?keyword=sierpinski+triangle+worksheet In PDF document text

  • https://zikegebuner.weebly.com/uploads/1/3/4/8/134856814/foxalunezevaxu.pdfIn PDF document text
  • http://filanion.online/mizoram_public_service_commission_answer_key_2018828bl.pdfIn PDF document text
  • https://sojagimizalafar.weebly.com/uploads/1/3/5/3/135317111/2933225.pdfIn PDF document text
  • http://boldly-grow.com/jogofaxaxidevulujerivuzijfd2jk.pdfIn PDF document text
  • http://ulekschool.online/466722429374g5j3.pdfIn PDF document text
  • http://kpovli.ru/dieta_sirt_gratisrtxzy.pdfIn PDF document text
  • http://peludofnor.fun/18496339861b6kul.pdfIn PDF document text
  • http://sandwichhq.club/483345551527xwiy.pdfIn PDF document text
  • https://lelusujizuzu.weebly.com/uploads/1/3/1/4/131438438/xikoripu_wibowowavusag_tagolovomid_polezi.pdfIn PDF document text
  • http://lovepositions.info/christian_malayalam_songs_site7aoej.pdfIn PDF document text
  • http://streamsweets.com/arithmetic_math_tricksb6iqu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bazejufojowopor.epizy.com/adonis_complex.pdfIn PDF document text
  • https://s3.amazonaws.com/kujapomib/find_vertex_from_standard_form_calculator.pdfIn PDF document text
  • https://s3.amazonaws.com/gonafoziguwewe/attention_love_eng_sub.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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