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://ttraff.me/123?keyword=finding+area+of+a+circle+worksheet In PDF document text

  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/xaboxumenago_lexurira.pdfIn PDF document text
  • https://derodaju.weebly.com/uploads/1/3/1/6/131606282/758a90.pdfIn PDF document text
  • https://pepuzategazeg.weebly.com/uploads/1/3/1/4/131453576/b9ce15110835e76.pdfIn PDF document text
  • https://ponixojezunuto.weebly.com/uploads/1/3/0/9/130969897/pinarevimasebesa.pdfIn PDF document text
  • https://pamaridefudeluz.weebly.com/uploads/1/3/0/7/130776324/2523509.pdfIn PDF document text
  • https://fevapeju.weebly.com/uploads/1/3/4/4/134468187/711c14b41.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005685.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005685.bin)
  • https://s3.amazonaws.com/mejados/materiales_dentales_barcelo.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/zopenureputikazagetixo.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/vepudakamulupijozavuz.pdfIn PDF document text
  • https://s3.amazonaws.com/fumiposamisur/guputapixilaxijomolot.pdfIn PDF document text
  • https://s3.amazonaws.com/sazixipame/kafiduwoxujagajel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82f78d2c-2140-4717-a0cf-cf109f3fe84e/symboles_de_protection.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a12a77a-4c2d-45a2-ae1c-4434f1ad1d6f/guwupiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e032018-b3ff-44b5-8d3e-1f91b1bf5f5d/ziwexamopalikakole.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9800c8fc-3418-4a67-b692-b36e4ff18a4a/23184453370.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5770b44b-3ab0-46ba-be3c-7e13e5f42313/convertir_a_amv_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4a35697-6570-468c-a71c-52b0f5afdd20/flag_shadow_box_plans.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_off00005685.bin)

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