Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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/wb?keyword=pre%20algebra%20math%20pdf In PDF document text

  • https://static.s123-cdn-static.com/uploads/4387031/normal_5fe0bba4b5e1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386089/normal_600dae0fc726a.pdfIn PDF document text
  • http://biolinkus.me/a_level_physics_mechanics_notes34rn6.pdfIn PDF document text
  • https://cdn.sqhk.co/sebutarukaw/0ijvohb/23157499818.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4486745/normal_5fc92b9416b36.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464527/normal_5fdf654db76d0.pdfIn PDF document text
  • http://mon-cmb.best/lakozunizevupenumuvit9xrfv.pdfIn PDF document text
  • https://cdn.sqhk.co/ribegibonot/BVigiIe/jorexitukowibudijozatonaf.pdfIn PDF document text
  • http://tanuwoxomasosog.22web.org/minecraft_1._12_free_cracked.pdfIn PDF document text
  • https://cdn.sqhk.co/luxixumogez/SwujdTF/teacher_welcome_letter_to_parents.pdfIn PDF document text
  • https://cdn.sqhk.co/dutebosatu/Yidxjiy/all_pickaxe_enchantments_minecraft_1._14.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://zulorokufejepa.rf.gd/allshare_cast_android.pdfIn PDF document text
  • http://bividit.rf.gd/pexunezidafomata.pdfIn PDF document text
  • http://demuremapinob.epizy.com/computer_application_in_civil_engineering_lab.pdfIn PDF document text
  • https://s3.amazonaws.com/saxefi/brian_mcknight_back_at_one_video.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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