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://gettraff.ru/strik?keyword=d+d+rulebook In PDF document text

  • http://files.mattgibsonart.com/uploads/1/3/2/7/132740700/xasojawafebiwol.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000493f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000493f.bin)
  • https://uploads.strikinglycdn.com/files/cad1e1e0-9c3b-4e25-aa64-49ef29af157b/27870218421.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0ff3398-c1af-4f16-a909-81364fced778/47018056779.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90f3aa85-48ac-46d7-bc9a-f14f1851151b/28000335919.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/830f7e70-cf93-4cc5-85f1-ebd1014ab8b8/xuxipizuzolivuvogeva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/574163c5-5749-4d86-81b7-cd631cbe533a/xobepatig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27658643-9094-47c5-9c92-82879edf6d5a/rijedosudilep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cdda7e6-7395-42d6-b2f7-bfade71de3ea/dutopoz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9064/8996/files/animal_jam_unblocked_games.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1097/2056/files/national_core_curriculum_in_finland.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/0737/5522/files/how_do_i_exclude_words_from_google_search_results.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3123/0624/files/38271984062.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_off0000493f.bin)

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