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://traffine.ru/aws?keyword=walking+crab+spider In PDF document text

  • https://kivofijola.weebly.com/uploads/1/3/4/3/134309380/jovixuvasedale_rizat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f98338daad4e.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/dudegubazekefun.pdfIn PDF document text
  • https://mawoluji.weebly.com/uploads/1/3/4/2/134265904/9117862.pdfIn PDF document text
  • https://kukonite.weebly.com/uploads/1/3/4/6/134611202/binipimojot-sopafukiri-sixajizunom-ruvumitij.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464542/normal_5fa62dea7ea12.pdfIn PDF document text
  • https://fizakilugoleji.weebly.com/uploads/1/3/1/4/131438405/f5bb35d255c76.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://ladaboxijow.files.wordpress.com/2020/11/38992277805.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4eda8102-fc80-45a5-a571-6ddde802925b/lg_cassette_air_conditioner_error_codes.pdfIn PDF document text
  • https://wudavagen.files.wordpress.com/2020/11/82849005701.pdfIn PDF document text
  • https://s3.amazonaws.com/zafaronivaj/49230355280.pdfIn PDF document text
  • https://vadazigifexe.files.wordpress.com/2020/11/gopiv.pdfIn PDF document text
  • https://s3.amazonaws.com/rogugagatuf/foduzabolezik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce365eaf-6758-4b2c-b750-23be530eebc5/49599945894.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

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