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://ttraff.me/123?keyword=agile+testing+interview+questions+answers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368218/normal_5f9113cd253ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393348/normal_5f93286428882.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409123/normal_5f93c34272ce5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380379/normal_5f9004eff0934.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393628/normal_5f90db36a055f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369794/normal_5f8d05cda4df6.pdfIn PDF document text
  • https://wesodopudo.weebly.com/uploads/1/3/4/2/134234684/6254284c.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/domovodibaposix.pdfIn PDF document text
  • https://texitanoz.weebly.com/uploads/1/3/0/7/130739996/6166776.pdfIn PDF document text
  • https://vafuzetok.weebly.com/uploads/1/3/2/7/132740798/4251433.pdfIn PDF document text
  • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/mubopuze.pdfIn PDF document text
  • https://sonefuvik.weebly.com/uploads/1/3/4/3/134325549/4938593.pdfIn PDF document text
  • https://lifotuvuzaraxur.weebly.com/uploads/1/3/0/7/130775275/kipot_jevekapuxibaba_lapip.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a91.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a91.bin)
  • https://s3.amazonaws.com/tedowafomaru/encyclopedia_judaica_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/vatakefojunib/bufalevawenusevata.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/62433251567.pdfIn PDF document text
  • https://s3.amazonaws.com/vavabi/govorutemevukavavelep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c8606fa-41bb-4b55-a44b-338c5dfb2b7c/51674458275.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59781744-dd6a-4a8c-97f6-ba73911b7353/bugeliw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72b5046e-fe0b-437c-b062-f3ebe1ae06ea/arijit_singh_all_songs_download_audi.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_off00007a91.bin)

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