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=capitals+of+all+states+pdf In PDF document text

  • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/946536.pdfIn PDF document text
  • https://pedegafulip.weebly.com/uploads/1/3/0/9/130969407/aa71b0d0.pdfIn PDF document text
  • https://kuvejepi.weebly.com/uploads/1/3/4/4/134452054/636820.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000bbbf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000bbbf.bin)
  • https://s3.amazonaws.com/wonoti/capitalization_quiz.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/96049982589.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/36575774217.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/18994031008.pdfIn PDF document text
  • https://s3.amazonaws.com/liguwubore/c_programming_book_in_gujarati.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54d5863a-778c-4da8-a64d-421b300bdfe9/24701673898.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1610f7c8-65c2-4e47-b699-c9149bcbf7bb/muxamuxuragofosozolozakot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a494837d-6a83-4313-a24e-2513729411fe/69146871391.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28ce9d86-1417-4d02-b0c4-c81e701cb7dd/53707707839.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edb0c983-c9cf-4b54-afec-6638a541db93/lepegokepisaleleb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/510f5442-5253-4a90-8c31-536b21e40b06/48351719767.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b58f1d5f-ec4b-439a-a858-8e20e0816243/1662938725.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c57bb8f-21ef-4f86-88fa-ebb0c2976985/56608384885.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1225/7952/files/65337248226.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1966/3522/files/13_reasons_why_season_3_episode_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/6344/1077/files/wabetokirewij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5042/1410/files/99351494606.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_off0000bbbf.bin)

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