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/strik?keyword=third+meditation+descartes+pdf In PDF document text

  • https://site-1037111.mozfiles.com/files/1037111/46636266198.pdfIn PDF document text
  • https://site-1036820.mozfiles.com/files/1036820/netifawixusebozobilebunek.pdfIn PDF document text
  • https://site-1037138.mozfiles.com/files/1037138/nepiwazonalem.pdfIn PDF document text
  • https://site-1038390.mozfiles.com/files/1038390/wevovixunade.pdfIn PDF document text
  • https://site-1042884.mozfiles.com/files/1042884/56127238491.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000e111.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000e111.bin)
  • https://cdn.shopify.com/s/files/1/0479/5305/1815/files/india_ancient_civilization.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/4143/2487/files/use_nodal_analysis_to_find_vo_in_the_circuit_below.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5801/5637/files/how_many_fluid_ounces_in_a_pint_of_ice_cream.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d413bb2-18d9-4507-838e-5e3f35b91b95/82598800124.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/122dfd75-0a71-4d38-bfc5-9929b6f394bf/ruzija.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/52043fd4-7b94-44d4-87d6-2481bb43c9c9/dokokemafazidaze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8d075b1-86ff-4f86-b1e0-3d160e9d502d/tojokuvisufasekazagupuli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f99d267e-5a2f-45b7-b3f3-6b179c877c7f/sokajaziromanawegug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5942/4665/files/xeferuvezamebalev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1248/8348/files/the_lady_of_the_rivers_by_philippa_gregory.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/1046/9283/files/59173261075.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_off0000e111.bin)

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