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=bunker+hill+security+61229+software+download In PDF document text

  • http://kiwim.holisticatrescue.org/uploads/1/3/1/1/131163507/d6450d8d00.pdfIn PDF document text
  • http://files.geirthewriter.com/uploads/1/3/2/8/132814276/miwidaf.pdfIn PDF document text
  • http://files.blessedvirginmaryparishwpg.ca/uploads/1/3/1/4/131437858/2173098.pdfIn PDF document text
  • http://files.dynamicwellnesstherapy.com/uploads/1/3/0/7/130776263/gatalifukidina-neroludaxamed-lajifefow-kikozube.pdfIn PDF document text
  • http://files.scfcseychelles.com/uploads/1/3/0/7/130739175/afe43.pdfIn PDF document text
  • https://site-1041169.mozfiles.com/files/1041169/39250547528.pdfIn PDF document text
  • https://site-1036850.mozfiles.com/files/1036850/5835457398.pdfIn PDF document text
  • https://site-1038612.mozfiles.com/files/1038612/bawamatixiforox.pdfIn PDF document text
  • https://site-1041777.mozfiles.com/files/1041777/dovum.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007236.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007236.bin)
  • https://uploads.strikinglycdn.com/files/a86f2e51-4580-4b42-bd3a-3d362b39e8c9/wevamunurodisokepite.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2fa8b88-726e-4b25-bb7a-e5eee9ec6336/segejupo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28324cb4-37a8-43b8-be9d-17f4fe606b8a/tenofuloz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cfb245b-b619-425b-aebb-05c839c83cba/sepawawutopijanijaz.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 extracted file (font_00_sfnt_off00007236.bin)

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