Malicious PDF — malware analysis report

Heuristics 7

• 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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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.
• 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://bologen.ru/wix?keyword=proform+520e+manual PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4450139/normal_602128aa149f1.pdfIn PDF document text
  • http://razvivatel.blog/mary_poppins_supercalifragilisticexpialidocious_piano6u5yp.pdfIn PDF document text
  • http://closemaze.com/wizuduwujuwomovubokija18gki.pdfIn PDF document text
  • http://zesamoa.online/webjalsha._in_bengali_movie86wyy.pdfIn PDF document text
  • https://zirakamu.weebly.com/uploads/1/3/1/3/131398357/2398125.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457279/normal_60262d44a130b.pdfIn PDF document text
  • http://fringigejy.site/gebemamudegunusvf07.pdfIn PDF document text
  • http://mukoxadetovewo.66ghz.com/atomic_absorption_spectroscopy_journal.pdfIn PDF document text
  • http://moresukko.ru/69238584482q6tao.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393183/normal_60191fb0be0fc.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465705/normal_5fdddc4f339d4.pdfIn PDF document text
  • http://coolstudent.space/declare_variable_in_angular_templateajail.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://xevorerokune.epizy.com/patijanute.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/61607708109.pdfIn PDF document text
  • https://s3.amazonaws.com/gixawetopoli/65940939878.pdfIn PDF document text
  • https://s3.amazonaws.com/pubopelej/spreadsheet_comparison_tool_excel.pdfIn PDF document text
  • http://dazimosanugep.epizy.com/vigokenof.pdfIn PDF document text
  • https://s3.amazonaws.com/fulosobezur/70778862508.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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