Malicious PDF — malware analysis report

Heuristics 6

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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=shell+shockers+hack+aimbot+2019 In PDF document text

  • https://site-1043158.mozfiles.com/files/1043158/10700482467.pdfIn PDF document text
  • https://site-1039201.mozfiles.com/files/1039201/63966392687.pdfIn PDF document text
  • https://site-1038808.mozfiles.com/files/1038808/58067968562.pdfIn PDF document text
  • https://site-1036918.mozfiles.com/files/1036918/getugejepidefugad.pdfIn PDF document text
  • https://site-1039413.mozfiles.com/files/1039413/99724048024.pdfIn PDF document text
  • https://site-1039341.mozfiles.com/files/1039341/83944314681.pdfIn PDF document text
  • https://site-1038323.mozfiles.com/files/1038323/zisusepomukonojuxe.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004e01.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004e01.bin)
  • https://uploads.strikinglycdn.com/files/81b8135b-0dc3-41d5-b1d3-1194d501de78/8425285372.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7620e60-f71f-4545-92e9-8dda75679c72/fulag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0066a1a-039a-4214-8908-9cb26f14176a/41438283775.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d7481e1-6a5b-465c-a55e-9404c4aebd34/gugomarozaza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9521/2697/files/lodowapar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5639/7987/files/bath_bomb_kit_walmart.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7981/0206/files/gameboy_advance_cartridge_screw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7297/3728/files/mukigogerigireta.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0456/9173/2127/files/31875608640.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_off00004e01.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000085fd.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000085fd.bin)

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