Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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=sherlock+holmes+pdf+download+sinhala In PDF document text

  • http://files.abramcreek.org/uploads/1/3/1/3/131383549/juzevaf.pdfIn PDF document text
  • http://wevag.tacticalchristianity.org/uploads/1/3/1/3/131398452/zeduwi_dutebix_vojivosesafa.pdfIn PDF document text
  • http://gotaduviw.newdayforthetao.com/uploads/1/3/1/4/131455463/xapur_funereginijev_midodaper.pdfIn PDF document text
  • https://site-1043519.mozfiles.com/files/1043519/2238449916.pdfIn PDF document text
  • https://site-1036630.mozfiles.com/files/1036630/xegejasufes.pdfIn PDF document text
  • http://files.jerkngo-olympiafields.com/uploads/1/3/0/8/130813458/talemifuxetejize.pdfIn PDF document text
  • http://files.roundtheworld4jo.org/uploads/1/3/0/7/130740502/bakufozabugixeside.pdfIn PDF document text
  • http://nafuwasa.gwenjbrewer.com/uploads/1/3/2/7/132710780/a2085bd9fa2df.pdfIn PDF document text
  • http://files.crochetcuriosities.com/uploads/1/3/0/7/130739616/resigigugikefodaguju.pdfIn PDF document text
  • http://files.stayintheloopwithlucy.com/uploads/1/3/1/3/131383953/fikugenujadus-dodoxalusejeri.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000045e2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000045e2.bin)
  • https://uploads.strikinglycdn.com/files/112ba4cc-d07b-4c25-b68a-c129a844209e/pugifuwetosexeberegiromo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3b79ef5-8cd9-4318-abd5-af9f2bdc4f7a/64160044836.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f36f3a7-aea8-4ae2-9506-2781ba90ac1d/timeluvopavapet.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_off000045e2.bin)
  • http://sinhala.sourceforge.net/In extracted file (font_01_sfnt_off000058ce.bin)
  • http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn extracted file (font_01_sfnt_off000058ce.bin)
  • http://www.gnu.org/licenses/gpl-2.0.htmlIn extracted file (font_01_sfnt_off000058ce.bin)

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