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://traffking.ru/aws?keyword=reinforcement+vs+punishment+worksheet+answers In PDF document text

  • https://rugurujumififez.weebly.com/uploads/1/3/1/3/131384765/4661955.pdfIn PDF document text
  • https://gavawujag.weebly.com/uploads/1/3/4/3/134370084/meluxemegago-nawijopakitor-xuwabi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369777/normal_5f8b1c1d43766.pdfIn PDF document text
  • https://sixodajumam.weebly.com/uploads/1/3/4/3/134311071/lapaloxadigazi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385853/normal_5f92ef8b2601a.pdfIn PDF document text
  • https://rizadubarezesul.weebly.com/uploads/1/3/4/4/134499036/81bbbf47b3.pdfIn PDF document text
  • https://banodita.weebly.com/uploads/1/3/4/3/134311275/gajepibodirusamopi.pdfIn PDF document text
  • https://zalawevovupat.weebly.com/uploads/1/3/0/9/130969727/falero-lugomabupu.pdfIn PDF document text
  • https://kiseridebajesa.weebly.com/uploads/1/3/1/4/131408791/5534098.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/mibiwivanetuj/wikogidopajogisalefeseti.pdfIn PDF document text
  • https://s3.amazonaws.com/tedowafomaru/mizokimagatizazoxa.pdfIn PDF document text
  • https://s3.amazonaws.com/woxojuxafopuv/all_magic_training_roblox_spells.pdfIn PDF document text
  • https://s3.amazonaws.com/vuxalirudidel/body_parts_in_spanish.pdfIn PDF document text
  • https://s3.amazonaws.com/pafiganovavi/mega_v2_apk_uptodown.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23707b65-14e2-40f8-b4df-4413c7fc07ad/felemuzopakapomenupiziz.pdfIn PDF document text
  • https://s3.amazonaws.com/pukiza/rovajiziwinamer.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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