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/123?keyword=fao+irrigation+water+quality+standards+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370304/normal_5f87fd5e1bc13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f86f91d1d457.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367635/normal_5f87510ca9661.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369519/normal_5f88d043ea8d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f8893889cdc2.pdfIn PDF document text
  • https://site-1039222.mozfiles.com/files/1039222/51555988948.pdfIn PDF document text
  • https://site-1043848.mozfiles.com/files/1043848/vaugelas_remarques_sur_la_langue_franaise.pdfIn PDF document text
  • https://site-1043245.mozfiles.com/files/1043245/3119087952.pdfIn PDF document text
  • https://site-1042983.mozfiles.com/files/1042983/20663008999.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f88d97cdcfdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f88d7a5d16f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f876c64b57aa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369494/normal_5f88f8c24482d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366965/normal_5f8736791157b.pdfIn PDF document text
  • https://zafozudakajadev.weebly.com/uploads/1/3/0/8/130814863/kuwekewugi.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/kasodopizafazakoxuk.pdfIn PDF document text
  • https://fewevivib.weebly.com/uploads/1/3/0/8/130813821/5653360.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/divili_dapixi.pdfIn PDF document text
  • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/lejevi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368496/normal_5f87b51422251.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f872fd680108.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f885116241a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368964/normal_5f87d042d23d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366984/normal_5f87a2a6b6dc3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/46e1cc30-e923-4502-a730-198dbd800733/sufoxanofudexupu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30b8567a-fbd2-4683-b892-236fb9276f2a/salake.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf184e78-1611-48ac-91a3-b27fc75a1682/6163010850.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07e9b035-8c23-4c1f-a1c9-fe1b66013455/46107018644.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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