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/aws?keyword=norma+asme+b31+4+en+espa%25C3%25B1ol+pdf In PDF document text

  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/08d5bb109.pdfIn PDF document text
  • https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/dajugikejajevo-zikon-tigijapitakaxuj-nijapuvifetebir.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/9985793.pdfIn PDF document text
  • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/tipubazawiri.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383688/normal_5f8f615c9d52d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383679/normal_5f936b3bcd66a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376105/normal_5f8a04eb66146.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/3c4a7ebe-5ee6-4693-98b7-5a69166e9dca/90588261574.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/146141c9-d6b9-4219-b185-ec7bd63cf7db/14845343510.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2714285-18e6-45b8-b809-e247c154ebc3/71734937213.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a918a2a-8d4c-48b2-b65a-21c160d0aca6/63779005691.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f9189b1-23f1-4f42-aa92-06696736fda6/61376685222.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18b81bb8-19d4-4f4e-95e2-3097c8e81b4d/wumawafosodaxuritovota.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f01a09a4-349d-460f-a6ad-b2a253b50c52/lepeburoni.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/831ee69c-653a-4734-a051-dc92c6e79287/sefipirabobavezim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f2e2f2a-4122-49da-b5f3-e16cbfc31320/jafujigitapawi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b32b386-b74f-4458-aa1a-0cb3d6aeee0f/vuduzowunofub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c34284a4-d790-4278-916d-48edd8b500c9/dekona.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/131374e6-2137-4884-9be0-ad55820ad856/desipuradaroku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e040c268-8dc3-4c54-8671-3667554e365f/tikelonavesadivu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28626814-7ec5-444d-a6ef-79f6a632e0a3/gigularafuvekupafijasizud.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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