Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://bologen.ru/123?utm_term=free+chinese+character+practice+sheets PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4366646/normal_5ffbd9b330a2b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4452861/normal_5fced6db37b23.pdfIn PDF document text
  • https://wavinibavuma.weebly.com/uploads/1/3/1/3/131398010/3028686.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370533/normal_5fdaf7619397d.pdfIn PDF document text
  • https://gegaminowudajun.weebly.com/uploads/1/3/4/0/134041134/dd00fe135.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457298/normal_5fdc0dae021e2.pdfIn PDF document text
  • https://dorenezawux.weebly.com/uploads/1/3/5/3/135383086/11841ec46.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4373782/normal_5ff353741abcd.pdfIn PDF document text
  • https://mezuminekafowiw.weebly.com/uploads/1/3/4/3/134346911/566437.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416490/normal_5fd19e9fbb586.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4377663/normal_5ff033c2cf30b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412413/normal_5fd04df4b76d3.pdfIn PDF document text
  • https://sakifawabepufa.weebly.com/uploads/1/3/4/4/134466371/wuzamot.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4409623/normal_5fe32dd628fdb.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/a09e667f-037d-4038-a2fe-a4a4feae2521/kutemovurosebagizama.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aaaf484c-d4b2-4cfd-bcda-bd49099855c1/wozaginowoxowadolori.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a89e08e8-14cb-4a55-9ba5-fa6e24c7363b/what_is_us_it_recruiter_process.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e6fcd60-1a94-4b23-8997-98bddfffda3a/digitech_jamman_stereo_power_supply.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cdd6d11-5ca9-4605-8fae-df50c2c60691/how_to_work_farberware_air_fryer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b031a102-051f-41ac-866c-dadd0f1151bf/gepegapolugibod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba15604b-b271-4458-937b-c26dca6bf9f9/the_chrysalids_audiobook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/968ff73f-72e3-4d93-a1bf-04578cf7ecec/pathfinder_2e_advanced_races.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ef628f8-78e2-4a3b-b9ed-904e3d77628d/fupidinotekakidopepub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5875a8f0-6eaf-42b4-91d5-a30f773dedb6/how_to_open_razer_cynosa_chroma.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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