Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://ttraff.link/123?keyword=avicii+the+days In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369904/normal_5f9250ca3aa7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375702/normal_5f9015b3a7fdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371505/normal_5f8968aecc0ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402000/normal_5f976c93082b8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a4a7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a4a7.bin)
  • https://cdn.shopify.com/s/files/1/0481/4752/9895/files/tillamook_school_district.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4422/3131/files/print_apple_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3652c6d-3cd6-48d1-b69d-a1935fe75e0d/sezib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20b9e669-1a5d-420e-83b3-12d9663908b8/download_sech_la_mesera_descargar_mp.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0228/1123/files/70412836318.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7865/9477/files/38172613635.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0142/9662/files/68231173610.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5703/7990/files/44207290331.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/6073/2319/files/gabby_sidibe_weight_loss.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/9270/6207/files/15782396223.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1731c35a-eed1-4d16-a240-255d84319801/zelda_link_to_the_past_rom_espaol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1b3f70d-29bd-4fc6-b561-b9004bd7276d/firumek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0672/0665/files/85993409026.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2785cf01-0650-4c07-90d6-cc03bbee6b66/tail_light_tape_home_depot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/zavin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7496e54-1c55-4d06-aa91-d8929ae8fe44/lejogebutavavu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5844/3941/files/67128619617.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5741/2779/files/student_discipline_in_government_schools_policy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0159/3502/files/mouse_toggle_for_fire_tv_apk_4k.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61eba959-d417-4a34-ba9f-05150886beb2/21746771780.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4647/7210/files/sigiguvapaxosanekax.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7192/1571/files/basobufoxupepupibater.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_off0000a4a7.bin)

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