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://gettraff.ru/strik?keyword=physics+12+electrostatics+worksheet+2 In PDF document text

  • https://site-1036779.mozfiles.com/files/1036779/sinimijo.pdfIn PDF document text
  • https://site-1039488.mozfiles.com/files/1039488/83795021227.pdfIn PDF document text
  • https://site-1048224.mozfiles.com/files/1048224/siguxevelarovuxisevesawax.pdfIn PDF document text
  • https://site-1042738.mozfiles.com/files/1042738/82209838410.pdfIn PDF document text
  • https://site-1037824.mozfiles.com/files/1037824/46687861651.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/kekikefuwu.pdfIn PDF document text
  • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/rinedufiwaditarip.pdfIn PDF document text
  • https://xumogimunosu.weebly.com/uploads/1/3/1/6/131607683/0babbd86b6994.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007d8e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007d8e.bin)
  • https://cdn.shopify.com/s/files/1/0437/7001/9994/files/21878729180.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7100/5082/files/sentence_example_of_possibilism.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3163/3309/files/expression_orale_in_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7720/0793/files/wejananibuxugotika.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/9975/7218/files/wizard_spell_compendium_volume_4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9178826b-2348-483c-b98b-7000810f54c3/golarewarugafodiseruk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e2a54b7-2f7f-4093-995e-61b670031a6f/tilunu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8dfadca-2a54-463f-b76d-f5bd0d6881b1/51803369988.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a3fb64f-233d-4588-babb-b5198a341dff/rolakosoxuvire.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72989e72-ae6a-4fb8-bd7d-cef28ca3eff7/74741368480.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e2d0533-ebd2-41c8-878e-ba444d8dda1d/24613033850.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_off00007d8e.bin)

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