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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/aws?keyword=user+manual+for+apple+watch+series+1+38mm In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382962/normal_5f9932f141114.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000787d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000787d.bin)
  • https://cdn.shopify.com/s/files/1/0439/1570/6523/files/vlogger_go_viral_mod_apk_latest_version.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/4782/2236/files/legally_blonde_jr_songs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/4075/7656/files/el_salvador_bandera.pdfIn PDF document text
  • https://s3.amazonaws.com/bidurudilidujug/54369855894.pdfIn PDF document text
  • https://s3.amazonaws.com/gurowozenupifi/nios_assignment_back_page_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7759/1749/files/tricycle_diaper_cake_for_boy_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/jusuberu/printable_estate_sale_contracts.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/88516891971.pdfIn PDF document text
  • https://s3.amazonaws.com/damevusom/aisha_winx_boyfriend.pdfIn PDF document text
  • https://s3.amazonaws.com/pizexopenaxu/comparing_things_exercises.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/209aa51d-dbdd-444e-8039-a300cd38b310/sovibaxipakuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4603/4330/files/moca_assessment_tool_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e87aca7-05c4-4304-886a-ae7399d9d57d/46234453909.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_off0000787d.bin)

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