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://gettraff.ru/strik?keyword=primary+school+business+plan+sample+pdf In PDF document text

  • http://malul.caitlintrude.com/uploads/1/3/1/8/131859527/dbe3d97.pdfIn PDF document text
  • http://zujivobup.secondchancesurrogacy.com/uploads/1/3/0/7/130776167/zofijowokebijos.pdfIn PDF document text
  • http://nolawen.bonetownbbqri.com/uploads/1/3/0/8/130813059/3b7b9.pdfIn PDF document text
  • http://jitem.ownerbuildercourses.com/uploads/1/3/1/6/131606746/a6366.pdfIn PDF document text
  • https://site-1039644.mozfiles.com/files/1039644/puvemabetedazodapunas.pdfIn PDF document text
  • https://site-1042448.mozfiles.com/files/1042448/vopomabi.pdfIn PDF document text
  • https://site-1040514.mozfiles.com/files/1040514/wilifivetujikepedowikisi.pdfIn PDF document text
  • https://site-1039382.mozfiles.com/files/1039382/xegada.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/70bea6b4-ad1a-42f0-8c9d-f82dfc4ecb86/74989455138.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02e6b4c5-3869-4c02-9d37-f739a743a3cf/82321969811.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fee3218a-4f57-4f13-89c6-bd7b3bb6cb91/fokezemuketez.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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