Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://traffking.ru/strik?keyword=reddit+best+kratom+vendors+2019 PDF link annotation

  • https://visufevulun.weebly.com/uploads/1/3/4/3/134310134/c239ba.pdfIn PDF document text
  • https://sunuzokelegawo.weebly.com/uploads/1/3/4/4/134476032/sojixikajazifuz.pdfIn PDF document text
  • https://kutusavirub.weebly.com/uploads/1/3/4/2/134265758/a12544.pdfIn PDF document text
  • https://wozukofa.weebly.com/uploads/1/3/2/3/132303282/b37e69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407303/normal_5f95ff75d7a9b.pdfIn PDF document text
  • https://rimenedefogifu.weebly.com/uploads/1/3/4/4/134466040/xixuno.pdfIn PDF document text
  • https://vawirinivilil.weebly.com/uploads/1/3/4/3/134353209/b794b3fd79fd1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426955/normal_5f983ff4887c3.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/f6964df4-4277-4c8e-a833-d874eb118073/nonevigenevog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1804/4070/files/jilimeduzoteduw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6441c3b-9b98-4c33-ab24-156ada65460a/list_of_1980s_anime_shows.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c25f2cbf-7883-45b0-bc0b-aadcf4cd5ce9/31843961187.pdfIn PDF document text
  • https://s3.amazonaws.com/nonipesikiri/61691160668.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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