Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=baixar+antivirus+avast+android+gratis In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369769/normal_5f8b72b6bc219.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376599/normal_5f89d9bf0d0b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f8b3dcfc66b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381976/normal_5f8c10f7528a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369313/normal_5f8b0b91883e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373769/normal_5f895871452c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369161/normal_5f8ac8285ab95.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8385/7053/files/monster_legends_breeding_guide_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0887/4906/files/middle_school_book_series_in_order.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/5224/7461/files/42585412284.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/4537/0528/files/minecraft_set_home_1.16.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7e775ad-6a85-46fd-a9fc-49e910279719/23410881541.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da813fbe-cfbd-4e5a-b7e0-259b96f4a0f5/lavuxidavuvifitorizafosu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9f413f0-704f-415c-983e-9c85acd39ade/dukalitokuneminono.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d6bff78-7d4c-41ea-bef9-1c301cc29ecb/amd_radeon_hd_7340_graphics_overcloc.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f87e319-0f0f-4898-8723-b46fa20fceae/sobetejuzinofuvokowibafe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90644760-50e2-4b68-b3f6-b1f242379dc6/93106201203.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f23955e2-6404-41ed-94dd-489420b7f10a/47155883426.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c2e5aa6-0f5d-481f-8329-01ace64731ad/15102000641.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5322/3588/files/64225439167.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8861/8672/files/pokemon_go_0.31_mega_mod_apk_no_root.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8527/6339/files/38505899739.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4933/6483/files/pusd_lunch_menu_pleasanton.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8937/2329/files/41907396089.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 PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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