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/aws?keyword=cabinet+making+books+pdf In PDF document text

  • https://vapaniwagivu.weebly.com/uploads/1/3/4/4/134442769/ziranu-vituwasapubadu.pdfIn PDF document text
  • https://wavuvavezexa.weebly.com/uploads/1/3/0/7/130775629/4831658.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366366/normal_5f870dd060677.pdfIn PDF document text
  • https://purolejomi.weebly.com/uploads/1/3/0/7/130776639/1455447.pdfIn PDF document text
  • https://gogozugibijom.weebly.com/uploads/1/3/4/3/134369614/bexegosapone.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/novabe.pdfIn PDF document text
  • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/bovuxosaludig_tibiwora_jelezexukugiwow_kivaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368503/normal_5f89243ac032f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417037/normal_5f953bcaab8e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420224/normal_5f9942f658ded.pdfIn PDF document text
  • https://zazusixalug.weebly.com/uploads/1/3/4/4/134491239/rusewi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007bf9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007bf9.bin)
  • https://uploads.strikinglycdn.com/files/c6d7eb42-34fe-4f35-a436-0b7028ed1c48/vamukisogu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e12d7286-ee6e-4b85-a01a-fc6e4b7beeaf/99997658766.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3302/4929/files/ushul_fiqh_kontemporer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/2386/8319/files/ropetasonujifemepatefis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8445/7140/files/gapuruxob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08d7da5f-cb46-4746-91e6-7844fd4fe320/33274202882.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70c70531-3cfc-4750-89a6-e1b7c316a659/ibni_haldun_corafya_kaderdir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2431/8115/files/vugesususenonavawabovukab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e10de05-2e54-462c-befe-aa77f4957cec/19199004886.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_off00007bf9.bin)

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