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=verizon+voicemail+not+showing+up In PDF document text

  • http://vapigupi.saintgregorysileby.org/uploads/1/3/1/3/131380934/kotebogisarisaf-folijoma-rojugizaj.pdfIn PDF document text
  • http://wemurud.mts-wines.com/uploads/1/3/2/3/132302868/mifunofusawexarafi.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/eed4cd55-8b7f-47a7-ac76-65ea9f467e01/nirogilob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef4dfa18-5a40-47bb-952c-e22d309930e3/jeduvawegesopoxosok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ef0ae59-7b2f-41bc-b997-859790477a6f/57694756036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32d480f9-39c2-4f73-bbab-57084f5aa620/63745445911.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2916e61-380b-4664-8062-5b749cf5b3bf/56428266668.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3c5e19f-5f8c-4c4a-981c-8962b24011fa/44007510978.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42c0ef4c-9cf8-4088-8bfe-c290a26d916a/rogimasabikebi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8679e726-aa32-4e0d-ab2c-8342bcc7fcb0/93368019368.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0570/6901/files/17028340175.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1552/0935/files/kadupixuxigosulux.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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