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/wb?keyword=surveying%20vol%201%20by%20bc%20punmia%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365608/normal_5f86f6273ad2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f88538fa9821.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f87507b8ea59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369926/normal_5f87e66d33326.pdfIn PDF document text
  • https://site-1037169.mozfiles.com/files/1037169/duxagil.pdfIn PDF document text
  • https://site-1036829.mozfiles.com/files/1036829/29538630985.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/puripaxed.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8554420.pdfIn PDF document text
  • https://gurigibafex.weebly.com/uploads/1/3/0/7/130739571/9635349.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/nijofotutapoz.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008258.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008258.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000ceb5.bin)
  • https://cdn.shopify.com/s/files/1/0499/1077/5976/files/bosodege.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7569/7830/files/aerobic_respiration_and_anaerobic_respiration_examples.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9342/5316/files/jhonen_vasquez_johnny_the_homicidal_maniac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1596/2276/files/90886111181.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4742/0066/files/62496578981.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7706/6145/files/24184059650.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1111/1579/files/libro_el_ahogado_mas_hermoso_del_mundo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/2065/0149/files/tu_chon_luyen_hinh.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7658/9979/files/ordering_numbers_to_100.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9213/1484/files/orwell_collected_essays.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1912/2341/files/59211177771.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_off00008258.bin)

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