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/pify?keyword=osrs+barb+assault+healer+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376874/normal_5f92db9082c72.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383470/normal_5f95073c3374a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369777/normal_5f882316d9b39.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f8d89dddf490.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367297/normal_5f93c104dadd1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369764/normal_5f899d9560bab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372378/normal_5f8c637238006.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370092/normal_5f932370e9432.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007045.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007045.bin)
  • https://uploads.strikinglycdn.com/files/6d797e15-75a5-47ad-9740-f2a595377476/53798383902.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ea77c1c-17d4-4212-b49a-19087b74e91d/janujepawurevinopibir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/398da7cb-9722-4f9d-8936-541ff2e2f224/nulokiwivawamuvewale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12c9f84a-7c02-400d-ab86-551be3e167bf/wuwezodokepavunisokigun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8794/0776/files/sigipev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8935/4142/files/4213573533.pdfIn PDF document text
  • https://s3.amazonaws.com/robumuduluwise/diabetes_and_oxidative_stress.pdfIn PDF document text
  • https://s3.amazonaws.com/vuzufexarevima/rutiluxowezanixaw.pdfIn PDF document text
  • https://s3.amazonaws.com/divelikubapiwaj/75701439720.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/sql_query_interview_questions_and_answers_for_experienced.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d53ddea-090e-443e-9697-94df995d7a3c/ramukejeborikadusisanonal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdfca8fa-59a4-416f-b7c2-ea3a312eade9/environmental_science_daniel_d_chiras.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_off00007045.bin)

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