Malicious PDF — malware analysis report

Heuristics 4

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/aws?keyword=vocab+workshop+level+b+unit+13+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383925/normal_5f918c2bbad3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368954/normal_5f8994b415833.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374198/normal_5f8fcb44dbd92.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378378/normal_5f93eb8655451.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379732/normal_5f8e86b046da2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370785/normal_5f8edc79bd70e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370057/normal_5f8819305cb31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374968/normal_5f8e442091080.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d47.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d47.bin)
  • https://uploads.strikinglycdn.com/files/20002faf-77a4-4372-b0bf-0b26be70f78b/suma_y_resta_de_numeros_enteros_con_parentesis_ejercicios_resueltos.pdfIn PDF document text
  • https://s3.amazonaws.com/nemafu/pdf_editor_rotate_pages_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e2240f0-94be-4137-aaac-3f5a13e2c2fa/35184132289.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ccff800e-2d7d-4c85-b077-ddf5f98f5cf9/26612527843.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54b1fcff-829a-4b0a-a5d9-dc3b4b476234/ranopotugidego.pdfIn PDF document text
  • https://s3.amazonaws.com/pexodugosa/koxetukadusitila.pdfIn PDF document text
  • https://s3.amazonaws.com/zafaronivaj/causes_of_unemployment_among_graduates_in_malaysia.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/sanjay_agarwal_costing_book_ca_final.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96e83afc-9b36-4bba-8afd-10421a47e3eb/siwumafadu.pdfIn PDF document text
  • https://s3.amazonaws.com/niporofez/plate_bending_machine.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a09207b-b663-4aa6-a8a6-0a3cfa24dfed/loxifatabikagamaleg.pdfIn PDF document text
  • https://s3.amazonaws.com/saxefi/yayati_marathi_book_download_free.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/definition_of_curriculum_by_experts.pdfIn PDF document text
  • https://s3.amazonaws.com/tarajix/kulakizaxafubo.pdfIn PDF document text
  • https://s3.amazonaws.com/zarusegibitumet/bartram_trail_map.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_off00006d47.bin)

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