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=stick+war+insane+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384821/normal_5f938d489d4ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373749/normal_5f9c98365ca9e.pdfIn PDF document text
  • https://zalawevovupat.weebly.com/uploads/1/3/0/9/130969727/b34b548fa261374.pdfIn PDF document text
  • https://s3.amazonaws.com/bevekizadoxuj/toshiba_satellite_s70-bbt2n23_laptop_driver.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006552.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006552.bin)
  • https://uploads.strikinglycdn.com/files/2ea71065-462d-425c-b8f7-ca50ece162ab/merikudebudupapudazasepit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4064/3521/files/28964895599.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0506/9265/3234/files/taluva_board_game_uk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7866/2326/files/24519148653.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4421ef63-2370-41fe-a1bc-bfe17c3a78d7/20795671099.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1417/4900/files/how_to_find_molality_given_density_and_mass_percent.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1026/9085/files/remefazunoreluluxopa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8f2ee94-da8a-493d-9049-f57152605b26/56893580389.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/6913/2966/files/chapter_4_great_gatsby_annotations.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_off00006552.bin)

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