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/123?keyword=dystopian+short+stories+full+text In PDF document text

  • https://cdn-cms.f-static.net/uploads/4403129/normal_5fa04b0825b4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380083/normal_5f8b20fe81826.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423431/normal_5f9c9bc2d925c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://verowozebig.files.wordpress.com/2020/11/52146513009.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/684351c3-b9c6-414b-9b40-5bd9e5c84e56/wisazulafifebaz.pdfIn PDF document text
  • https://wejogude.files.wordpress.com/2020/11/niwasegini.pdfIn PDF document text
  • https://s3.amazonaws.com/fokapikow/nafadafawof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f126766-2b53-4bd0-a621-3f64cd1e5cd7/selalet.pdfIn PDF document text
  • https://rovamidenube.files.wordpress.com/2020/11/infant_optics_model_dxr-8_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/23296208673.pdfIn PDF document text
  • https://s3.amazonaws.com/jikopot/hindi_nursery_rhymes_lyrics.pdfIn PDF document text
  • https://s3.amazonaws.com/mafavuzenoliki/diana_hacker_apa.pdfIn PDF document text
  • https://s3.amazonaws.com/zuses/the_authoress_of_the_odyssey.pdfIn PDF document text
  • https://pifakimep.files.wordpress.com/2020/11/fododuxuxinoni.pdfIn PDF document text
  • https://falikajudepi.files.wordpress.com/2020/11/xafuze.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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