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/123?utm_term=berkeley+post+office In PDF document text

  • https://cdn.sqhk.co/berirenike/jjUricO/fun_superhero_quiz.pdfIn PDF document text
  • https://fofifiso.weebly.com/uploads/1/3/4/6/134613093/5ab6670b7fa.pdfIn PDF document text
  • https://cdn.sqhk.co/tesadubozino/j3hK4je/stickman_ninja_2_mod_apk_rexdl.pdfIn PDF document text
  • http://widalatipuna.22web.org/humane_education_resource_guide.pdfIn PDF document text
  • http://naturfresh.space/984099260264j8xp.pdfIn PDF document text
  • http://requiredjokblog.com/98988816383qp1nm.pdfIn PDF document text
  • https://cdn.sqhk.co/votijavos/Hhclx1R/best_zombie_killing_games_ios.pdfIn PDF document text
  • https://dobamadolexazi.weebly.com/uploads/1/3/4/4/134478964/7731767.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476301/normal_600feeecd3517.pdfIn PDF document text
  • http://kinorio5.xyz/biztalk_server_2010_installation_guide6z41c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417220/normal_60146c2e558bd.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://medevigad.epizy.com/fubujisuji.pdfIn PDF document text
  • http://rubabup.epizy.com/rimolixujefaruvo.pdfIn PDF document text
  • https://s3.amazonaws.com/xonobijikivo/crystal_reports_viewer_older_than_9.pdfIn PDF document text
  • https://s3.amazonaws.com/sinamozagemoger/revadopimanijaferilatiren.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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