Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/495158.pdf.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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://cctraff.ru/123?keyword=frp+bypass+apk+lg+k10 In PDF document text

  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/495158.pdfIn PDF document text
  • https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/3295207.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/6701151.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368756/normal_5f908fa1c3b22.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373239/normal_5f91aeba90880.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408004/normal_5f94a247ded35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411922/normal_5f94b224ea5a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384164/normal_5f918d47d0e13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370078/normal_5f8d2b094e6df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374185/normal_5f8a2d6f8c99a.pdfIn PDF document text
  • https://bezebaterizijir.weebly.com/uploads/1/3/1/3/131384714/vepegesobixuvam-zotadimafawo-mimat-girozades.pdfIn PDF document text
  • https://nebomigefut.weebly.com/uploads/1/3/4/3/134359696/sujaw.pdfIn PDF document text
  • https://gojemafofapuvog.weebly.com/uploads/1/3/2/6/132681271/dupik.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/waxegof_vipowe_javidosekepod.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006bc5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006bc5.bin)
  • https://uploads.strikinglycdn.com/files/14ace8a1-e9b6-46da-ac00-3216cc3c4b14/bomelamuvitomeza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a072393f-d5ec-4c45-a774-64b2c9fd887b/fit_girl_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/397abf78-9690-475e-b7a4-7b240ba7de5e/jegejifikaderuxusaxoxis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7894/2360/files/spreadsheet_modeling_and_decision_analysis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3364/7509/files/paladin_guide_ffxiv_5.0.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6146/9596/files/todabeganenefaku.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 extracted file (font_00_sfnt_off00006bc5.bin)

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