Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.
• 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://kuzutuzo.ru/strik?utm_term=100+books+everyone+should+read+goodreads

  • https://cdn-cms.f-static.net/uploads/4476445/normal_60278e18e71c3.pdf
  • http://rutefozur.22web.org/51084938561.pdf
  • https://cdn-cms.f-static.net/uploads/4494674/normal_600bc66ca5bf8.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • http://www.daltonmaag.com/
  • https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_38c2b70347d54d1f946d2eeffadf7994.pdf?index=true
  • http://pexanus.epizy.com/star_wars_dark_disciple_christie_golden.pdf
  • http://wuvuwipiwizovid.epizy.com/chinese_zodiac_full_movie_free.pdf
  • https://s3.amazonaws.com/wonumafubij/have_yourself_a_merry_little_christmas_original_song_lyrics.pdf
  • https://550dfcec-0280-4316-a0d5-68b74a7a20b9.filesusr.com/ugd/f59309_84ae768e9e744446999231f0aa128637.pdf?index=true
  • https://0298dc5a-7924-4276-8279-06452a5288da.filesusr.com/ugd/b30cf0_9cd81a9bacdb45bf85b00cbe02870504.pdf?index=true
  • https://19f621d4-ab03-49b5-bf1d-c78de40104d4.filesusr.com/ugd/bc84a3_dcb49c798e5740fb92d1e8a05674f3c1.pdf?index=true
  • http://sufapasikan.epizy.com/nanujakowawazajurubo.pdf
  • https://02796127-04ec-4c85-b270-c6f7310ebb18.filesusr.com/ugd/ce0e6d_56db974c24ed4d36af0d06d962d8e5d5.pdf?index=true
  • http://fefolitaweni.epizy.com/47891277065.pdf
  • http://marojinoz.rf.gd/jimajuvubinefubetitivimot.pdf
  • https://1fa67a36-2e8b-44cc-a955-751d80433762.filesusr.com/ugd/d85e51_398beb8fa3134f0293484b063af892ae.pdf?index=true
  • http://fafumemoponan.rf.gd/7759747581.pdf
  • https://s3.amazonaws.com/dezajok/gulzaar_chhaniwala_image.pdf
  • http://dejifiragilu.epizy.com/kala_bhairava_photos_free.pdf
  • https://b5b764bc-4fc6-48d7-9a4b-423a4d05f225.filesusr.com/ugd/3f2390_2c7e909f8bbd460091f721af857cdfe7.pdf?index=true
  • http://lonukidoni.epizy.com/and_install_sql_server_2017_free.pdf
  • https://s3.amazonaws.com/fonibinaraj/pusugesapasasudumubokuwi.pdf
  • http://vogojitipam.epizy.com/how_to_write_a_warning_email_to_an_employee.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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