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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://dafemum.ru/strik?utm_term=franc%25C3%25A9s+2+eso+ejercicios+resueltos+pdf In PDF document text

  • https://static.s123-cdn-static.com/uploads/4416811/normal_5ff90d5f51d63.pdfIn PDF document text
  • https://diforugagok.weebly.com/uploads/1/3/2/7/132741100/vufonosowaki_gurogogogawa.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464303/normal_6006bb69128b2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4428061/normal_5fe14f870306d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404297/normal_60311449b3cc4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447915/normal_6039df2598a39.pdfIn PDF document text
  • https://vekazapez.weebly.com/uploads/1/3/4/6/134601327/65d52cd9d4e.pdfIn PDF document text
  • https://xupatoxavivuni.weebly.com/uploads/1/3/4/6/134615471/betejola_piwuwevevopoz_vugekasabo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378623/normal_6010f09d73d90.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457312/normal_5fda709fdf59e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380707/normal_5fc6a0746f82f.pdfIn PDF document text
  • https://boleturem.weebly.com/uploads/1/3/4/3/134398498/4070004.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388629/normal_604f9036aa5da.pdfIn PDF document text
  • https://makesagesuli.weebly.com/uploads/1/3/0/7/130740055/463ff03aa4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/5ba40133-238f-49dc-8fd6-b863af6011e4/how_to_fix_acer_tablet_not_charging.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ed7a0ed-6b99-4716-9bae-d272b3a95888/under_the_dome_season_2_episode_1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9566d4a6-c511-444f-8ac6-741211646eb1/8426926251.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51c2830a-dedd-44f5-b9b5-8f32ff0bcb8b/how_to_be_an_anime_weeb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7bb7af8-6798-4c20-9da2-6d3a3c8cd2e2/how_to_use_the_snark_tuner.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffb75476-c888-4501-900f-37a25639d4dd/jefumanuxalusurig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a30607d-5291-4801-8f35-85df1ebbb86d/how_to_start_playing_wii.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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