Malicious PDF — malware analysis report

Heuristics 4

• 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 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://cctraff.ru/aws?keyword=truearth+healthy+foods+case In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383470/normal_5f94687981a14.pdfIn PDF document text
  • https://nakumupapetiz.weebly.com/uploads/1/3/2/7/132741615/juwitapaloxofipidaxu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373248/normal_5f8b18cc5088f.pdfIn PDF document text
  • https://tedomidile.weebly.com/uploads/1/3/2/7/132712102/26f1cf73662a.pdfIn PDF document text
  • https://mogidudurunupiz.weebly.com/uploads/1/3/2/6/132695636/c131df43b418a.pdfIn PDF document text
  • https://sobegivi.weebly.com/uploads/1/3/4/3/134311910/fodukuxilakefu.pdfIn PDF document text
  • https://xotiroxo.weebly.com/uploads/1/3/0/7/130776105/6239290.pdfIn PDF document text
  • https://zasigusedorel.weebly.com/uploads/1/3/4/3/134386673/sepipukaf.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/2e7832dc-561a-42b2-ad88-fca56f6d476a/cold_creek_manor_online_subtitrat.pdfIn PDF document text
  • https://s3.amazonaws.com/matogapibelifiv/antigona_zig_zag.pdfIn PDF document text
  • https://s3.amazonaws.com/faluzotixupi/12255428051.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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