Malicious PDF — malware analysis report

Heuristics 4

• 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 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://traffmen.ru/strik?keyword=python+3+introduction+pdf In PDF document text

  • https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/nugaratidabeduviz.pdfIn PDF document text
  • https://nugaginidej.weebly.com/uploads/1/3/4/4/134475369/7586239.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366969/normal_5f8a5c79902e6.pdfIn PDF document text
  • https://fewevivib.weebly.com/uploads/1/3/0/8/130813821/sopaxoduwojorojobu.pdfIn PDF document text
  • https://sakifawabepufa.weebly.com/uploads/1/3/4/4/134466371/7925776.pdfIn PDF document text
  • https://betoxugibujimiv.weebly.com/uploads/1/3/1/0/131071043/3065330.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007cf1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007cf1.bin)
  • https://uploads.strikinglycdn.com/files/efcb5a92-5b47-4a94-a46c-050648f1f6a9/rafiledimenina.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e1be991-7ea8-4209-b057-669d0e25409e/exercice_mesure_ce1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f781d62a-46af-45bd-89ac-dce0b0548ccb/84846919488.pdfIn PDF document text
  • https://bufuvuxigul.files.wordpress.com/2020/11/suvasemerozusew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83e2df08-2a4e-459e-868e-a1d5f99b5f58/92763319598.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2d9fb94-4316-4324-90e2-54ccc855cd5c/76971827095.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8c615d4-524e-47ed-a0c2-e1c195e72fdd/46656898316.pdfIn PDF document text
  • https://sapifotad.files.wordpress.com/2020/11/56626259043.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_off00007cf1.bin)

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