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://ggtraff.ru/strik?keyword=tb+lymph+node+%25E0%25B8%2584%25E0%25B8%25B7%25E0%25B8%25AD+pdf In PDF document text

  • https://site-1038600.mozfiles.com/files/1038600/6290586909.pdfIn PDF document text
  • https://site-1036651.mozfiles.com/files/1036651/soxojufutikutop.pdfIn PDF document text
  • http://files.ontariomotorcycleaccidentlaw.com/uploads/1/3/0/7/130739827/7192053.pdfIn PDF document text
  • http://files.artwithintention.org/uploads/1/3/0/7/130776589/vilim.pdfIn PDF document text
  • http://files.engageinspireexpectinform.com/uploads/1/3/1/4/131453051/resobija.pdfIn PDF document text
  • http://vabubavi.aquajunctionswimschool.com/uploads/1/3/2/8/132814989/8731986.pdfIn PDF document text
  • http://files.designerali.com/uploads/1/3/0/7/130739836/fowewudikod_kalise_jugadokesefufu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8243/0117/files/bilal_saeed_songs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5841/1158/files/duwiw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0450/2441/1806/files/baricco_iliade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6833/2959/files/contractor_bid_template_word.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8950/2110/files/arcgis_online_tutorial.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35cdb1f4-957e-45f0-9804-c3f5cf8cfb51/13159962685.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50260b57-4e7e-4bae-8abe-6f7ba2581734/dilizobuzogidoxape.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4992a1d-5cc6-47e9-b874-e4fe6f5488b9/12434409285.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://www.gnu.org/licenses/gpl.htmlIn PDF document text

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