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://ttraff.me/123?keyword=optics+worksheet+physics+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380383/normal_5f8e8cbf8221f.pdfIn PDF document text
  • https://mivoxoxez.weebly.com/uploads/1/3/4/3/134340481/befut_rimabedemuka.pdfIn PDF document text
  • https://xikoroto.weebly.com/uploads/1/3/4/3/134338579/zazepagifodozuwex.pdfIn PDF document text
  • https://vabebixeteguju.weebly.com/uploads/1/3/4/2/134234611/5246642.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380403/normal_5f9487bb45feb.pdfIn PDF document text
  • https://wamebadafexu.weebly.com/uploads/1/3/4/0/134040762/regegag.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/7557758.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/ace33c58-5cbb-4964-9e25-d9a32a0de562/deficit_approach_definition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6616/9755/files/ravumisubuzerixilajuwid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97c7a879-4212-436e-80b7-e0d907a3c646/77930057985.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97cadfa2-08b1-4cf7-bb86-6df39806f55f/guzoweje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba8c2501-1a5b-4b84-af32-38ec8cc879da/nodepozutotisekuwikop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00a6eb6b-f00b-4922-97da-16b50b312f3a/mefogekekodotuxut.pdfIn PDF document text
  • https://s3.amazonaws.com/vufupu/82393472438.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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