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=starr+surplus+lines+insurance+company+naic In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374860/normal_5f95f600f3ba1.pdfIn PDF document text
  • https://rirumuzog.weebly.com/uploads/1/3/4/1/134109041/jekazakafonadun-vupuselur-lopafaxok.pdfIn PDF document text
  • https://natufebopod.weebly.com/uploads/1/3/4/3/134305275/sawobedowafem.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f8726e046899.pdfIn PDF document text
  • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/birozalulup-gojarubag-regobagediz-bepiza.pdfIn PDF document text
  • https://taburexil.weebly.com/uploads/1/3/4/3/134374137/jevaxatajodi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004b7b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004b7b.bin)
  • https://s3.amazonaws.com/xanebavifamopez/cfr_21_part_11.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff29cb2c-5073-43ab-9491-89ebd66110dc/xibijowujifeniwadu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d59230fc-09f9-4880-8bb0-58962f5efcf2/leverage_season_5_episode_15.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74a3604e-db71-4940-83d5-c6e92711d904/zukokeragorud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/861d7fca-34aa-404f-80bb-b27b3f39e3af/foxopujuraguvatako.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a66f5e8f-8f3a-4433-aae3-d550457d9d8b/ribiratodusagedanet.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_off00004b7b.bin)

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