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
• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://seumenha.ru/strik?utm_term=cls+requirements+army PDF link annotation

  • https://gumevimarijefa.weebly.com/uploads/1/3/1/0/131071167/6764657.pdfIn PDF document text
  • https://nozatagi.weebly.com/uploads/1/3/3/9/133986497/68831a25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4463263/normal_603a6d687c117.pdfIn PDF document text
  • https://bagukewedofitaf.weebly.com/uploads/1/3/4/5/134507185/jofikof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489257/normal_6040ddeb0e646.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/a428fdcf-bfcb-4f69-b818-ce865b5469a5/69609138972.pdfIn PDF document text
  • https://da89e6ec-52f9-4c28-8de8-447a2e923c0c.filesusr.com/ugd/5e5b2a_a865c4b359fd4ec7b3739d30815b435f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e4dfdf4-c8c2-43d7-b96b-3e25c116c755/how_to_put_a_bowflex_together.pdfIn PDF document text
  • https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_75f18abc3b8647ad96b7938ef3a71027.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cc8f27d-d1e6-4d6e-b30e-8c6fe21342b6/best_universities_to_study_ethical_hacking.pdfIn PDF document text
  • https://4cf2acc4-d143-4013-a78d-f21de0873c4f.filesusr.com/ugd/e4636f_a5cdcb8611494849a22d966a637f5844.pdf?index=trueIn PDF document text
  • https://034618a9-9b39-4f41-ad18-95bca1d1c80b.filesusr.com/ugd/48d9a1_452ecf925cb24e1298c753d5fed1043d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/142f83da-0eb1-46eb-a71c-80f17579d9e8/hp_elite_8300_small_form_factor_specs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3a3fc2d-6477-48da-bee9-97946f8a22a5/24_hours_a_day_aa_january_6.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6ecad79-7981-44bd-aefb-c2746ae4c6a7/29217846210.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/939b73a6-05c1-466a-a09a-3168e033c658/susopatiwipag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2400e5e9-7c0d-4495-9841-26d193121002/ea_sports_ufc_3_light_heavyweight_roster.pdfIn PDF document text
  • https://6c8027e1-9878-41b3-a9ef-32ba2b6bcd02.filesusr.com/ugd/185811_88bc38a4c3cd4713817960a8bd1e1cb4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c56500f9-2dac-4a93-8589-befabce830ee/madifezefow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24e86517-2fc6-454c-a353-36dc471f7324/what_time_is_the_jupiter_saturn_conjunction_in_colorado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/790a6cf6-00de-466c-b65f-5e28270522b8/xivisemiluv.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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