Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://ttraff.link/aws?keyword=assessment+for+learning+in+tamil+pdf+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369308/normal_5f8a9c417d181.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365661/normal_5f889238193c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f87449b890b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369486/normal_5f88060529a4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405206/normal_5f91ea3621553.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f87207b615ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380522/normal_5f8d02d8972cd.pdfIn PDF document text
  • https://sisodiwitamusoz.weebly.com/uploads/1/3/2/6/132681746/7403683.pdfIn PDF document text
  • https://tumovapexawezan.weebly.com/uploads/1/3/1/3/131398362/kejuxumuxadu_ruxunewiw_majudige.pdfIn PDF document text
  • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/zolifovukub_mofogipuw_suwumop_vafinet.pdfIn PDF document text
  • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/2366198.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000089e3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000089e3.bin)
  • https://cdn.shopify.com/s/files/1/0502/8272/5572/files/vugipofu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3765ddc6-a604-434a-84b8-4ef11ff7292b/49885842333.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d8ebdf3-a077-41e6-852c-b86a6d94031e/jvc_noise_cancelling_headphones_review.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/mount_athos_map.pdfIn PDF document text
  • https://s3.amazonaws.com/vonuxagupeduze/tamil_spiritual_books_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/23616185920.pdfIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/rfid_payment_system.pdfIn PDF document text
  • https://s3.amazonaws.com/donarepemi/engineering_chemistry_notes_free_download.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_off000089e3.bin)

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