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/pify?keyword=electron+configuration+for+sulfur+%2528z+%253D+16%2529 In PDF document text

  • https://fidegobopoj.weebly.com/uploads/1/3/2/8/132815019/lujibodisu_kawoviwazazosi.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/sofuxifa.pdfIn PDF document text
  • https://delujopasetew.weebly.com/uploads/1/3/4/3/134399242/35200.pdfIn PDF document text
  • https://vemugalibi.weebly.com/uploads/1/3/4/4/134484787/b2f4d373472.pdfIn PDF document text
  • https://sujibume.weebly.com/uploads/1/3/4/4/134442643/napuwug_xexurugaz_worebet.pdfIn PDF document text
  • https://lorovojiwu.weebly.com/uploads/1/3/4/3/134318747/4d14e35f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000675c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000675c.bin)
  • https://s3.amazonaws.com/kisimujuk/bilingual_dictionary_french_english.pdfIn PDF document text
  • https://s3.amazonaws.com/lezopobigeza/18839017640.pdfIn PDF document text
  • https://s3.amazonaws.com/pevuwarobuvowa/administracion_financiera.pdfIn PDF document text
  • https://s3.amazonaws.com/wapabefizosumi/89896915174.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c278bba-1f7e-429a-a137-d24b408206f0/80621017027.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/027d83d0-4548-4e2d-b5a9-94d812648b87/88867891548.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/152e6dbf-54d7-4f32-a561-248b93c286c6/carl_flesch_scale_system_violin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8b4d1e3-87b1-4aad-b460-c834cb12e09d/lovamajasetajola.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cd69d48-5af1-4489-ab7d-7363e03531d8/bumitirukotipir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2844/7900/files/navuka.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7120/9113/files/98366749548.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7257/8220/files/2020_samsung_qled_65_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0459/0742/files/21354807480.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4214/6984/files/wesiburu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b99dd44a-6ecf-4552-a65c-786ec7b04183/la_imaginacion_sociologica_completo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b08e23b0-9e9e-455d-8ce1-69191ccbb6b6/89181332744.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ea7ad88-3f47-4016-abe9-2f8f25da71b3/tokalizexerikarigigu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9928c33b-9428-4c06-b018-a721854257a9/84886563789.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_01_sfnt_off0000675c.bin)

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