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/strik?keyword=defaulter+mp3+song+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367017/normal_5f88a7a14b00c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383147/normal_5f91d5c1ca125.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365657/normal_5f8aabc5a4033.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374198/normal_5f8bc6093935e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000711a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000711a.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a985.bin)
  • https://uploads.strikinglycdn.com/files/21a00cdc-b3d7-47cd-8a21-6227274430c6/98035376410.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84e9e1e5-fc28-4ce4-b0ce-57586d70f5fe/78497804341.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/577122d5-c5e5-44dc-add4-d5822f08c2bf/nonajovubawubifawoxetuk.pdfIn PDF document text
  • https://s3.amazonaws.com/badodemebo/entrepreneurship_business_plan_project_class_11.pdfIn PDF document text
  • https://s3.amazonaws.com/bokofapig/32579143086.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/werelulewixo.pdfIn PDF document text
  • https://s3.amazonaws.com/paxivogedewilu/lusevilerezutavunoxezi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2988/7645/files/r_m_drake_gravity.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5272/7972/files/3445254879.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9495/7470/files/vinyl_wrap_motorcycle_gas_tank.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5328/4008/files/myasthenia_gravis_physical_therapy_treatment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/8232/4637/files/building_alliances_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36ff7a83-4d13-4cdc-bbc6-4d3b808298c4/dunevi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/60e1840b-cb88-4a87-be62-59398dd778f1/8467693039.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94837417-e255-4406-86a2-2067a42ed39a/arabic_alphabet_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/05628bb8-0274-4fa9-aae6-2a641e854137/wowajevemumegewojojotim.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2996/2141/files/zezuzurafuvolileziguzo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/paleo_diet_for_beginners.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5239/2344/files/24446840216.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4827/9459/files/essentials_of_managed_health_care.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0121/1809/files/alices_adventures_in_wonderland_sparknotes.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_off0000711a.bin)

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