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://ttraff.me/123?keyword=solidworks+motion+study+animation In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380695/normal_5f906dc079723.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366377/normal_5f870e0dd173b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369327/normal_5f95b9f31a108.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373271/normal_5f90ecaec97cf.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000641b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000641b.bin)
  • https://s3.amazonaws.com/wilugugo/andhra_pradesh_tourist_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/bixes.pdfIn PDF document text
  • https://s3.amazonaws.com/kewuxejikiwe/14363043883.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/24084546716.pdfIn PDF document text
  • https://s3.amazonaws.com/fejatepudopito/15648846291.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/30456674584.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36dfffdd-6a7a-4753-83db-f3eddf2f0151/wamikadunosoges.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7579078-bae5-4260-8105-5c8a2f4f1370/xedotimodurisojobi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee5aca9f-2e2b-4ab6-8834-15258eebde12/tales_of_zestiria_ost.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/183212a7-a6ee-442d-ab7a-43f50030af35/relogonabibodud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0101/9030/files/paladins_guide_reddit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9677/7915/files/dremel_trsm800_straight_edge_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1966/3522/files/13_reasons_why_season_3_episode_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3576/9012/files/learn_japanese_language_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2036/9576/files/3513553222.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2225/3205/files/etsy_seller_handbook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/7215/8371/files/12515876625.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4271/5813/files/smithson_valley_high_school_staff.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/9125/6007/files/cub_scouts_belt_loop_worksheets.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_off0000641b.bin)

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