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://ggtraff.ru/123?keyword=whatsapp+updated+version+free+download+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f86fe8eda9bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367668/normal_5f87515786f08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366384/normal_5f8995b475d02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365627/normal_5f870e3f95294.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f88fac5bc95c.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/bamudepekepa_setumazowido.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bf4458.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367301/normal_5f873b221d8cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373511/normal_5f8956e3cf8e5.pdfIn PDF document text
  • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/fcc3dcc8788bb23.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/ff06dfdf.pdfIn PDF document text
  • https://tajurasexir.weebly.com/uploads/1/3/1/6/131606020/bemegilaraneg.pdfIn PDF document text
  • https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/vesitomig.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/linurigaruxox.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4492/0726/files/63758257808.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3368/8226/files/icnd1_study_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/1158/7234/files/78678902891.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7864/7453/files/good_storage_sheds.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4541/2261/files/classical_mechanics_and_statistical_mechanics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5731/4462/files/triton_dnd_5e_names.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5247/3252/files/certificate_of_compliance_omma.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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