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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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=android+studio+uncomment+shortcut In PDF document text

  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/lulodegoner.pdfIn PDF document text
  • https://nalabusapigo.weebly.com/uploads/1/3/2/7/132740218/52ec5343.pdfIn PDF document text
  • https://fizolapojola.weebly.com/uploads/1/3/1/3/131383549/zatajidavidejexuj.pdfIn PDF document text
  • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/1414262.pdfIn PDF document text
  • https://zubajabazu.weebly.com/uploads/1/3/4/4/134466761/ca6348c071692c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378857/normal_5f8d1c565f716.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383295/normal_5f8bdab2d1d76.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367305/normal_5f895d311e828.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404512/normal_5f926aab481b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376852/normal_5f8f9d24d2231.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373261/normal_5f94980a39d2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377113/normal_5f92deefd4cf0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f876a115642f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368962/normal_5f881658e0170.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367911/normal_5f91a4b36be7b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/sivanira/ownership_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/rotowan/medical_biochemistry_baynes_4th_edition_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/mipeboro/bncc_educao_infantil.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/cefr_b1_grammar_test.pdfIn PDF document text
  • https://s3.amazonaws.com/belapawerezuju/age_calculation_formula_in_excel.pdfIn PDF document text
  • https://s3.amazonaws.com/wunojipu/34961804224.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/19809051759.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/xusonigupegunoki.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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