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.
• Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
  Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
• 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=keystrokesmod+1.8.9+download In PDF document text

  • http://files.sweptpath.com/uploads/1/3/2/8/132815855/c7d433d2051f3.pdfIn PDF document text
  • http://zatisexat.lovelaughterandreallife.com/uploads/1/3/0/7/130776131/9920680.pdfIn PDF document text
  • http://xugirax.drjuliannavalearningacademy.com/uploads/1/3/0/7/130775379/2839719.pdfIn PDF document text
  • http://vebezi.bewisecomputer.com/uploads/1/3/2/7/132710497/7c2a974578.pdfIn PDF document text
  • http://dojan.icuesociety.com/uploads/1/3/0/7/130775181/dec3cc1.pdfIn PDF document text
  • http://files.erinmerryn.net/uploads/1/3/0/7/130776130/lekabitotudok_kozopaseda.pdfIn PDF document text
  • http://files.helenmoorhouse.com/uploads/1/3/1/4/131453354/131a0dcac.pdfIn PDF document text
  • http://wabasab.ca-radio.com/uploads/1/3/0/8/130873872/533200.pdfIn PDF document text
  • https://site-1038750.mozfiles.com/files/1038750/zuworazo.pdfIn PDF document text
  • https://site-1036625.mozfiles.com/files/1036625/17824707899.pdfIn PDF document text
  • https://site-1036884.mozfiles.com/files/1036884/28044220290.pdfIn PDF document text
  • https://site-1036880.mozfiles.com/files/1036880/sekemirelalulel.pdfIn PDF document text
  • http://dojan.icuIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00006e18.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00006e18.bin)
  • https://cdn.shopify.com/s/files/1/0477/5765/6220/files/kasakimafuzaro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/18784636366.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 extracted file (font_00_sfnt_off00005e22.bin)
  • http://www.gnu.org/licenses/In extracted file (font_00_sfnt_off00005e22.bin)
  • http://www.gnu.org/copyleft/gpl.htmlIn extracted file (font_00_sfnt_off00005e22.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off00006e18.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000a40e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000a40e.bin)

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