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.me/123?keyword=oecd+responsible+business+conduct+guidelines In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367305/normal_5f8a3e1158d5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367005/normal_5f87ff1bc0d15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371246/normal_5f8b0aa65d414.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f885ca884af3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373788/normal_5f8cc93d0d2b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368953/normal_5f8ccd99eae18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368492/normal_5f8850062bc8c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379237/normal_5f8d4ef906e74.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369645/normal_5f8a32f990b1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f88a8bd50fdf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369626/normal_5f89178635648.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365598/normal_5f870b7a8b1c3.pdfIn PDF document text
  • https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/d92c93d0f.pdfIn PDF document text
  • https://niresofet.weebly.com/uploads/1/3/2/6/132682193/nodatufek-nolotunake.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000731a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000731a.bin)
  • http://www.daltonmaag.com/In extracted file (font_04_sfnt_off0000bedc.bin)
  • https://uploads.strikinglycdn.com/files/61f683a0-8a08-48d5-8f41-b9e93cbf4a8d/56563032865.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/328a0f10-b17f-429e-bfa3-4b4b8f791440/vakagow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/60240d8a-0946-4feb-9a46-bf1e850ee4de/75417594792.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f298fe8-9514-4c65-8e5a-f7c5fcba2b78/78439400393.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffe82e0f-09c4-4654-8d38-7624a26563fe/12825471893.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b2a583c-a815-4326-adbb-ecfbca8196bd/zalakabesita.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2de0791-aaf3-43d7-8354-ee4812de3184/16586253295.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/033a29e7-00f0-4ea7-ac38-4270b1631ba4/82647006409.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_01_sfnt_off0000731a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000a51a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000a51a.bin)

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