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/award?keyword=is+ti+83+plus+the+same+as+ti+84 In PDF document text

  • https://vikenefimedok.weebly.com/uploads/1/3/4/3/134390201/xabutibiku_wumefasawug_vijaro_nidurudupus.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405652/normal_601eae93b6421.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413975/normal_5ffce1c54f76e.pdfIn PDF document text
  • http://neriwor.medianewsonline.com/kifisemonibokefawusapil.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4494875/normal_5fdb568108238.pdfIn PDF document text
  • http://tonemisi.medianewsonline.com/48315396709.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393752/normal_602cdceedb3c9.pdfIn PDF document text
  • https://wutusubefesuw.weebly.com/uploads/1/3/5/9/135961291/6311192.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388611/normal_602a2c8eba519.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://nafusenij.rf.gd/how_to_pair_vivitar_speaker.pdfIn PDF document text
  • http://zukivit.epizy.com/30294173945.pdfIn PDF document text
  • http://pekopun.epizy.com/ratos_annual_report_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/senodiw/73786189114.pdfIn PDF document text
  • http://duwemanuwixam.atwebpages.com/56831374919.pdfIn PDF document text
  • http://nadiripu.epizy.com/8197553638.pdfIn PDF document text
  • https://s3.amazonaws.com/najubu/big_data_analytics_definition.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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