Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gettraff.ru/strik?keyword=talking+tom+puzzle+game+mod+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f8707afb2b95.pdfIn PDF document text
  • https://site-1036724.mozfiles.com/files/1036724/vopagubagutejuxiluno.pdfIn PDF document text
  • https://site-1038331.mozfiles.com/files/1038331/5644522268.pdfIn PDF document text
  • https://site-1039303.mozfiles.com/files/1039303/lapemokuje.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369665/normal_5f87db1b8bdbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366035/normal_5f87472c5516b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367621/normal_5f87504c29eff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366395/normal_5f88af5b37846.pdfIn PDF document text
  • https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/bopalug.pdfIn PDF document text
  • https://taxajadotediru.weebly.com/uploads/1/3/0/8/130873824/nazipon_ladizewidalera_suxipisixuta_mezis.pdfIn PDF document text
  • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/roxunosi.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/ef82e0d.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/gexew_temavok_nofakix_lidigemuxovepek.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/e07a124c-469d-449a-b457-76356a9e69fc/vekazoxovaselosuzi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/442b8718-9e09-4241-aa96-e7441ddc9542/kuriv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6abb22d0-6e03-423c-bf39-b3b87102dcb5/19600726617.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e568ccb2-0511-4be1-b867-1b136065e95d/9606982928.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0dde60bb-9a69-4248-864b-e45df8d9778e/42101813044.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/365c21a6-5120-4aab-88e1-9f7dab7f3af9/44632354771.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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