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://cctraff.ru/pify?keyword=relative+age+of+rock+layers+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371014/normal_5f88a4144aa7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367271/normal_5f8737d09a142.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379973/normal_5f9906c660fc1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387573/normal_5f93fb1105531.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368501/normal_5f87b68533d76.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404529/normal_5f931e75e3639.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f876c98bed8a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382189/normal_5f8d7f41eecbc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376088/normal_5f901fa3b4845.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000917f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000917f.bin)
  • https://cdn.shopify.com/s/files/1/0434/9893/0341/files/27057274943.pdfIn PDF document text
  • https://s3.amazonaws.com/xarojapi/43021596962.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0d05914-1f40-4311-b5f4-a85cb628dfc3/vajegijulibubovawumideg.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5027/0371/files/discord_disabled_account_messages.pdfIn PDF document text
  • https://s3.amazonaws.com/gewuwasi/waves_physics_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0aae1924-8c7c-4285-8d82-bc39b678e16e/gitovuxasuvowetawapup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8314/4599/files/meaning_of_tarot_cards.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/1325602315.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/5317/6734/files/angelitos_shoes_size_guide.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_off0000917f.bin)

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