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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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/wb?keyword=pictures%201%20to%2010%20in%20spanish PDF link annotation

  • https://site-1167954.mozfiles.com/files/1167954/93023359781.pdfIn PDF document text
  • https://site-1173632.mozfiles.com/files/1173632/root_android_phone_without_pc_2018.pdfIn PDF document text
  • https://cdn.sqhk.co/ribegibonot/5QhaPc5/tricky_puzzles_brain_teasers_with_answers.pdfIn PDF document text
  • https://site-1247018.mozfiles.com/files/1247018/crossword_jam_answers_greece.pdfIn PDF document text
  • https://site-1166647.mozfiles.com/files/1166647/green_bay_packers_vs_chicago_bears_2018_highlights.pdfIn PDF document text
  • https://cdn.sqhk.co/goluxewimabu/TLrLfkp/energy_anti_stress_loops_apk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369915/normal_5f8aff5c5ea54.pdfIn PDF document text
  • https://wixokaregojes.weebly.com/uploads/1/3/2/6/132681478/xefenane_titebefugoro_mabavetika.pdfIn PDF document text
  • https://site-1246156.mozfiles.com/files/1246156/94284027076.pdfIn PDF document text
  • https://cdn.sqhk.co/momujolo/b9Ribhb/kojapedexaza.pdfIn PDF document text
  • https://cdn.sqhk.co/xelalizogim/bijzDhj/soap_bubbles_png_transparent.pdfIn PDF document text
  • https://cdn.sqhk.co/rapowipijes/UqyWhcP/parla_learn_spanish_free.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/salosibejodod/maxujelinedasu.pdfIn PDF document text
  • https://s3.amazonaws.com/jezaxojipevu/diabetes_australia_dietary_guidelines.pdfIn PDF document text
  • https://s3.amazonaws.com/gofilafixu/dujese.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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