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/pify?keyword=cheat+apk+ml In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375891/normal_5f99a34b45cd8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382966/normal_5f95c21c55fcb.pdfIn PDF document text
  • https://zelapagetuwuj.weebly.com/uploads/1/3/1/4/131406140/8280008.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413125/normal_5f972844970ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415748/normal_5f9a6b2573f72.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000069b0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000069b0.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_03_sfnt_off0000a82d.bin)
  • https://uploads.strikinglycdn.com/files/f4c50d13-fc3c-4afc-b6ca-b863025d1fce/47697389508.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/vunuperirowepowinige.pdfIn PDF document text
  • https://s3.amazonaws.com/zomuzigo/demographic_characteristics_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd2193c2-6c64-45f3-b8e7-e26a712289b5/36690208288.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b07dc32-7128-4a06-abc9-50c29521619c/guzaw.pdfIn PDF document text
  • https://s3.amazonaws.com/lumixi/nevubofewegupalup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f41471ae-b801-4358-8cda-fd3b713fb1c2/the_demolished_man.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a586bd6-ef2d-4d79-8d0e-a4dae1f3d172/photography_11th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/wanasuvedigo/bfb_characters_wiki.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_off000069b0.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off000079ac.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off000079ac.bin)

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