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/strik?keyword=meb+yasaks%25C4%25B1z+m%25C3%25BCzik+dinle In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374704/normal_5f8a272a72b42.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374978/normal_5f8a3d943f722.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372378/normal_5f89630d72831.pdfIn PDF document text
  • https://bakuwosir.weebly.com/uploads/1/3/0/8/130874569/dcbee2d4c6d.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/zufuko_kudewofora.pdfIn PDF document text
  • https://welavofewefose.weebly.com/uploads/1/3/0/8/130813025/tezoxamawipijufem.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367268/normal_5f88eda8d868a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380405/normal_5f8bcad2c1f1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f88f77aef32c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369632/normal_5f8a1a381ecc8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368750/normal_5f87d118c1b12.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369519/normal_5f8c563b15845.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000074df.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000074df.bin)
  • https://uploads.strikinglycdn.com/files/82b40aae-0546-49e4-9776-4a5d2b290bc9/66455136532.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbbbbf18-6bc7-42e3-b1d0-ce353e854743/xedimi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a80f6638-1f01-43ef-a2d2-fed71dd36fd4/63006494210.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/159214b7-3175-42bd-b8f9-06cd7edb0d13/87394126103.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/7210/2822/files/foruli.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2883/0135/files/collective_nouns_in_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9030/3393/files/boruto_season_2_release_date.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_off000074df.bin)

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