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/123?keyword=house+party+game+download+android In PDF document text

  • https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/vefenafafa.pdfIn PDF document text
  • https://povelelowu.weebly.com/uploads/1/3/4/3/134331265/fivenerorojijetiw.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/riwamevuf-karur-kuwebu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366344/normal_5f889f15c7ad8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366364/normal_5f873982053a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368219/normal_5f884a7e7466a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383679/normal_5f8eaef07ec4b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368751/normal_5f8a6b56a9370.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374699/normal_5f89621019236.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380876/normal_5f8b235a8a591.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368265/normal_5f89ebd50482e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377400/normal_5f8d5dcfdccfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379859/normal_5f8b181c51013.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382423/normal_5f931c426b23e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379371/normal_5f931b86bf698.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006709.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006709.bin)
  • https://uploads.strikinglycdn.com/files/51f11de7-2238-4e68-9925-503bf454696f/97931161161.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ea431b9-49af-48d4-8c37-66774d6d42ee/40440026454.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14acde03-8033-47d9-8206-7740dc253fa9/relibomovasatu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b4fe2c0-1487-4f16-af9f-0c886a4703b8/rufexorajaxuxogovifileli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/723defa2-e5f3-4743-a6ef-a572ef5ff366/30266994656.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c250465-01e3-4a63-9db4-c1a05780d4f1/72039824841.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_off00006709.bin)

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