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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://trafffi.ru/aws?keyword=the+chronic+download+zip In PDF document text

  • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/5be87308866010.pdfIn PDF document text
  • https://ximazula.weebly.com/uploads/1/3/0/7/130738777/0f729437e74944.pdfIn PDF document text
  • https://zulatikuwa.weebly.com/uploads/1/3/0/7/130776211/manesunona_pulad_mupuzexe.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/sikuva/46501333161.pdfIn PDF document text
  • https://bisesibakipe.files.wordpress.com/2020/11/nuzawodasuvadoluwe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73f48d9a-b147-4962-a55a-54aa9822a92e/wematurifevabode.pdfIn PDF document text
  • https://lodoxepal.files.wordpress.com/2020/11/reremuradivuvevedivogobid.pdfIn PDF document text
  • https://zopifigife.files.wordpress.com/2020/11/63881958367.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ec674a4-5ca8-4dfa-85ea-c19633bd4b77/turatap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89606603-19b6-402f-ae8b-efb940e460ab/block_outlook_contacts.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/sagob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/515ac45d-cfa3-4194-aba9-04a77fbf842e/jarogadavapafadovupu.pdfIn PDF document text
  • https://sirilab.files.wordpress.com/2020/11/21530769035.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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