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=vestidos+de+novia+en+macys In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384316/normal_5f9f7cf91e5ef.pdfIn PDF document text
  • https://s3.amazonaws.com/sowewazulejewi/allen_major_test.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/fawadusikam.pdfIn PDF document text
  • https://xezinaruwi.weebly.com/uploads/1/3/4/4/134479948/daadc24b7289.pdfIn PDF document text
  • https://bibeliki.weebly.com/uploads/1/3/0/7/130738572/c167e7091.pdfIn PDF document text
  • https://zafozudakajadev.weebly.com/uploads/1/3/0/8/130814863/kuwekewugi.pdfIn PDF document text
  • https://s3.amazonaws.com/sikuva/scott_co_middle_school_georgetown_ky.pdfIn PDF document text
  • https://s3.amazonaws.com/megodipewukitoj/business_ethics_journal_article.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380869/normal_5f9198c6865c2.pdfIn PDF document text
  • https://winimotewo.weebly.com/uploads/1/3/4/5/134593518/64f3600.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/filosom-lusiwikafese-jerupuxorukoti-novubolifunuw.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004711.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004711.bin)
  • https://uploads.strikinglycdn.com/files/2e33d0f1-4a82-431a-9ab8-922e7530b68b/77671933341.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/789e6854-065e-423f-b805-044ddf96ac27/gavivobiniwivusapadu.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://dejavu.sourceforge.netIn extracted file (stream_005_off00007c58.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off00007c58.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00004711.bin)

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