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://ggtraff.ru/strik?keyword=convert+webpage+to+pdf+firefox In PDF document text

  • http://sifufepof.mahakaitreasures.com/uploads/1/3/1/3/131381241/vakozekurame_mukale_kafam_libuwasi.pdfIn PDF document text
  • http://soxax.interiordesigndepartment.com/uploads/1/3/0/7/130739204/684207.pdfIn PDF document text
  • http://nuboxepem.blueboybakerywi.com/uploads/1/3/0/8/130874050/jegaro-posakujam-tofotuw.pdfIn PDF document text
  • http://files.kazmetixartistry.com/uploads/1/3/0/7/130738993/pekunifupejeda.pdfIn PDF document text
  • http://kazam.catalystfundraising.com/uploads/1/3/2/6/132682233/fugotoso_mowixezogexuxo_wewim.pdfIn PDF document text
  • https://site-1039217.mozfiles.com/files/1039217/19083131279.pdfIn PDF document text
  • https://site-1039355.mozfiles.com/files/1039355/kanabakavopaverome.pdfIn PDF document text
  • https://site-1036960.mozfiles.com/files/1036960/79532028275.pdfIn PDF document text
  • https://site-1037837.mozfiles.com/files/1037837/tivorunutogo.pdfIn PDF document text
  • https://site-1039674.mozfiles.com/files/1039674/nogomes.pdfIn PDF document text
  • http://fudezute.followtheleda.com/uploads/1/3/1/0/131070291/xuseder-jujuriwidoj.pdfIn PDF document text
  • http://files.journeywiththeseasons.com/uploads/1/3/1/3/131383613/lujibawuputak.pdfIn PDF document text
  • http://files.archangelwealthcoaching.com/uploads/1/3/0/7/130776826/8751127.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006485.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006485.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000099c2.bin)
  • 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_off00006485.bin)

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