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=chapter+7+magnetism+and+its+uses+worksheet+answers In PDF document text

  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/lesakuzivosezuz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366630/normal_5f875f8c97c26.pdfIn PDF document text
  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/5011088.pdfIn PDF document text
  • https://joxenawofin.weebly.com/uploads/1/3/4/3/134342561/989835.pdfIn PDF document text
  • https://mofivekirupu.weebly.com/uploads/1/3/2/7/132740685/wabonosegisuranu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384835/normal_5f930e8341c6a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004a4e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004a4e.bin)
  • https://s3.amazonaws.com/gumegulaxi/physics_formulas_for_class_9_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2d41d4d-ae41-43c4-bf0d-d9219e6bf118/58764276738.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/420fbedc-2a59-4933-8eb4-66c7abe20d3c/glencoe_algebra_2_chapter_7_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3626/9983/files/guided_cow_elk_hunts_wyoming.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/dumbbell_exercises_for_biceps_and_triceps.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/075437c3-9990-4a1e-8af8-11d5a0b4ae45/5626487168.pdfIn PDF document text
  • https://s3.amazonaws.com/jenagubadopi/70458479342.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/modul_akuntansi_syariah.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6ae25c1-4cba-4fdc-96dc-e9d3ee160238/8007898832.pdfIn PDF document text
  • https://s3.amazonaws.com/wefadep/a_dogs_promise_summary.pdfIn PDF document text
  • https://s3.amazonaws.com/tunenijexe/78734459053.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://dejavu.sourceforge.netIn extracted file (stream_006_off00007ca0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off00007ca0.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00004a4e.bin)

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