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/aws?keyword=mechanical+properties+of+ceramic+materials+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4385631/normal_5f91100da58f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365567/normal_5f87358bc6d5f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373516/normal_5f8dae2d38a59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f90a445f1a96.pdfIn PDF document text
  • https://jubozofarubowi.weebly.com/uploads/1/3/4/0/134095851/6129086.pdfIn PDF document text
  • https://kakawugob.weebly.com/uploads/1/3/0/9/130969990/62730432e3.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/0fb35f9.pdfIn PDF document text
  • https://fewefemuge.weebly.com/uploads/1/3/4/3/134372507/pamarobi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371266/normal_5f8b189d6475a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372104/normal_5f8abd429cc08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369784/normal_5f900b0dc65cb.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c81e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c81e.bin)
  • https://cdn.shopify.com/s/files/1/0482/3659/3304/files/safeway_monopoly_coupons_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/mojotusosefegijiludid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8748/5342/files/napijonudalak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0302/5840/files/coleman_22x52_pool_pump_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2007/4663/files/27861956959.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/736bbb83-0ae0-4a26-bbfc-3c752afdb817/95832512382.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bfa52b6-f48a-4469-be8a-6909cce1dd27/63967744102.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac54fcef-e75e-49d8-8885-9b0cdef52a82/50612097953.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2cc7b6d7-8e1c-4ab9-9164-f92a32807148/fontself_maker_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9bb7ae3-da6b-40db-9d9a-a122b35e066f/tulobuwopejov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc2a2a63-0b42-485a-a9d9-9ce41b84084c/betewebabadab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1b7f605-a3fa-4f07-96ed-721cd283e4cf/behavior_charts_for_elementary_classrooms.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af0240f1-9ad1-4440-b79c-11c719eaba0e/tuwonozudofinuneruzok.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_off0000c81e.bin)

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