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://cctraff.ru/pify?keyword=download+apk+game+booster+4x+faster+gratis In PDF document text

  • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/wedidik.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3816443.pdfIn PDF document text
  • https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/zuzafalu.pdfIn PDF document text
  • https://zotorakiv.weebly.com/uploads/1/3/0/7/130739478/gamagazexu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379987/normal_5f8c4a4ee3d7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379964/normal_5f8f6b7bf2d01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382953/normal_5f8baaf94fc1e.pdfIn PDF document text
  • https://ligofaxudatejot.weebly.com/uploads/1/3/0/7/130739538/fobupesofo.pdfIn PDF document text
  • https://vatipasa.weebly.com/uploads/1/3/0/7/130775610/bibaw.pdfIn PDF document text
  • https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/4562352.pdfIn PDF document text
  • https://koxoganonigowup.weebly.com/uploads/1/3/1/4/131408343/afa936094.pdfIn PDF document text
  • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/rinedufiwaditarip.pdfIn PDF document text
  • https://vixijusodu.weebly.com/uploads/1/3/0/7/130776714/2324715.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005330.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005330.bin)
  • https://uploads.strikinglycdn.com/files/2f6af305-51ba-48b4-b30b-1926ddebaf63/11511254855.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf85f769-5b71-4b66-9ffc-0abb020b6455/97913341807.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/bijafavu.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/lujowujawe.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/difficult_calculus_problems.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/62012938233.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/99445221757.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 extracted file (font_00_sfnt_off00005330.bin)

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