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://ttraff.link/pify?keyword=star+wars+kaminoan In PDF document text

  • https://site-1037235.mozfiles.com/files/1037235/leguja.pdfIn PDF document text
  • https://site-1037860.mozfiles.com/files/1037860/38010268803.pdfIn PDF document text
  • https://site-1043405.mozfiles.com/files/1043405/38817600918.pdfIn PDF document text
  • http://banim.highvalleypoa.com/uploads/1/3/1/4/131437607/4411609.pdfIn PDF document text
  • http://files.ucsbaccounting.com/uploads/1/3/2/6/132680808/6e4f0e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/82abb92b-0271-45be-a142-aa0d1055ae3d/94608317449.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1f6c571-5416-49ae-9ed3-fa06e35a9b83/31167302837.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0023f7b1-72a7-45e3-b9ad-84ae2a03048c/50084386222.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31f355d7-2c81-442c-b78f-5f204e943630/wukewevamujexid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92cf773d-f5ca-4cf5-bf81-672e84228371/47890629724.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5432d5db-7383-4754-91f3-ef4e3125224a/34429906200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3042a2f5-db35-4efe-bcc2-cbd33eac3559/91442209517.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 PDF document text

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