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://cctraff.ru/strik?keyword=cartelera+de+cine+latino+en+pasadena+tx In PDF document text

  • https://site-1036997.mozfiles.com/files/1036997/basit.pdfIn PDF document text
  • https://site-1042821.mozfiles.com/files/1042821/25361068994.pdfIn PDF document text
  • https://site-1039299.mozfiles.com/files/1039299/damoli.pdfIn PDF document text
  • https://site-1036960.mozfiles.com/files/1036960/larifa.pdfIn PDF document text
  • https://site-1036894.mozfiles.com/files/1036894/88181366315.pdfIn PDF document text
  • https://site-1038529.mozfiles.com/files/1038529/63766897611.pdfIn PDF document text
  • http://rexepodu.kazmetixartistry.com/uploads/1/3/1/3/131381910/tewedelupel.pdfIn PDF document text
  • http://files.myovisioninfo.com/uploads/1/3/2/6/132681877/xuvuluwagi_lujowu.pdfIn PDF document text
  • http://files.oremhighschooldrama.com/uploads/1/3/1/3/131397946/fb38563a0a28.pdfIn PDF document text
  • http://lemaw.amygibbstherapies.com/uploads/1/3/2/6/132695584/bc5813cdc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0464/8432/4504/files/best_gif_ever_wallpaper.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7337/9735/files/5916601983.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2969/5133/files/come_out_ye_black_and_tans_lyrics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9436/3297/files/mark_bauerlein_the_dumbest_generation.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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