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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://leonvi.ru/wb?keyword=hku%20admissions%202020 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4455876/normal_5fc36cfb5ad05.pdfIn PDF document text
  • https://cdn.sqhk.co/nafolekuge/WjIichx/2_player_cooking_games_ps4.pdfIn PDF document text
  • https://site-1173237.mozfiles.com/files/1173237/98436659020.pdfIn PDF document text
  • https://site-1185731.mozfiles.com/files/1185731/life_simulator_2016.pdfIn PDF document text
  • https://cdn.sqhk.co/javufikari/JBhdghC/pinkfong_and_baby_shark_s_space_adventure_g.pdfIn PDF document text
  • https://site-1172264.mozfiles.com/files/1172264/99288147661.pdfIn PDF document text
  • http://sodamasagu.66ghz.com/causas_del_absentismo_laboral.pdfIn PDF document text
  • https://site-1177606.mozfiles.com/files/1177606/puximivumuxuzemibalegujij.pdfIn PDF document text
  • http://zinuxuf.22web.org/jufebavawobaj.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4476434/normal_5fcd4001f0f38.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4489415/normal_5fc7b7a54f5a7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4490376/normal_5fe318b86dacd.pdfIn PDF document text
  • http://xojitufos.66ghz.com/76488365267.pdfIn PDF document text
  • https://site-1168383.mozfiles.com/files/1168383/best_hollywood_action_movies_2017_free.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://duvewukabiwetu.epizy.com/18112253373.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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