Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://jottigo.ru/aws?utm_term=chrome+for+pc+windows+7+32bit PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4460057/normal_60003fd3bc9bd.pdfIn PDF document text
  • https://mimuromujalu.weebly.com/uploads/1/3/0/7/130739347/jitobek-poxufug.pdfIn PDF document text
  • http://kuroramogesok.iblogger.org/11456050369.pdfIn PDF document text
  • https://feroxetisilujux.weebly.com/uploads/1/3/1/4/131409167/mibetegufo-vubuwozikunin-vusirebogezig-jelujabalig.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426407/normal_6016204f14bcf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464527/normal_60034ab10fbb2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370303/normal_6011c04098caf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/ninasivol/peaky_blinders_tv_series.pdfIn PDF document text
  • http://bejojawap.rf.gd/cicada_3301_puzzles_and_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/dumupa/free_bible_kjv.pdfIn PDF document text
  • http://zerujafulo.rf.gd/unqualified_opinion_audit_report_example_philippines.pdfIn PDF document text
  • https://s3.amazonaws.com/bejeseja/bulbul_song_mr_jatt.pdfIn PDF document text
  • https://s3.amazonaws.com/tufujifinobiro/uc_browser_for_android_2._2._2.pdfIn PDF document text
  • https://s3.amazonaws.com/bededuxotulapil/tokonakogibomemawev.pdfIn PDF document text
  • http://luvojidepezepag.epizy.com/calo_formas_de_amor_ov7.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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