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/pify?keyword=ehrlichiosis+in+dogs+merck+vet+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370299/normal_5f8924eda1c95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373770/normal_5f91b1639a1df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382408/normal_5f92426c5439f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384150/normal_5f8f143a4e821.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379732/normal_5f8d5b2fa4b74.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374178/normal_5f906e4d31395.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/8f24ebaa3f201f6.pdfIn PDF document text
  • https://kutenamig.weebly.com/uploads/1/3/0/7/130740069/7589094.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368740/normal_5f8ad0beab8ba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388842/normal_5f90c345d30a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366623/normal_5f9496984af63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379229/normal_5f8d52cec1bcf.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000aaa2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000aaa2.bin)
  • https://s3.amazonaws.com/xanebavifamopez/80619807956.pdfIn PDF document text
  • https://s3.amazonaws.com/pasawexawinogad/teruxubapawowoli.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/ielts_writing_task_1_examples.pdfIn PDF document text
  • https://s3.amazonaws.com/vaxebisapesi/72578378662.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33598d95-9da7-4b6f-b81c-25039dfc557c/59845536572.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1944bb10-53e6-4031-9150-c1a0abee047a/26424275000.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f47f1683-fcb6-4f04-8b32-e3f71033af80/32651354980.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d8fd6ba-4298-427c-bf2d-15c476d8f6cc/vazipotimefexexukureziwu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/947336b6-2690-4192-acb2-c88ffbb50c21/notaneramilopeguzegilep.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_off0000aaa2.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off0000bce7.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off0000bce7.bin)

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