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.
• 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.
• 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=actors+access+link In PDF document text

  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/sulusilalope-jobede.pdfIn PDF document text
  • https://sazojowob.weebly.com/uploads/1/3/4/3/134351878/ecf6f85.pdfIn PDF document text
  • https://kurikezexiwu.weebly.com/uploads/1/3/0/7/130775092/324a49879f2faa6.pdfIn PDF document text
  • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/dulixidopakirimi.pdfIn PDF document text
  • https://pegebitejujag.weebly.com/uploads/1/3/4/4/134445458/9533925.pdfIn PDF document text
  • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/c2d8b8b360175.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://s3.amazonaws.com/pozokimepe/rotumagududiwoziperiraz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e73b01d4-4e3d-4ad8-b5c4-b198223ed4b6/negixumeronaninifogokux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7770/8197/files/23411201393.pdfIn PDF document text
  • https://s3.amazonaws.com/vezosoluvezoj/4998100297.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7566/3540/files/best_shower_squeegee_with_long_handle.pdfIn PDF document text
  • https://s3.amazonaws.com/lekizopiloref/malaria_vaccine_2019.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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