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=anatomy+and+physiology+for+dummies+f In PDF document text

  • https://bawilawuvibowe.weebly.com/uploads/1/3/4/4/134401702/bijidajarorakabutiza.pdfIn PDF document text
  • https://sidunaxegizu.weebly.com/uploads/1/3/0/7/130776644/fowusi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387826/normal_5f8cff4a260dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386620/normal_5f8dd8243dbd7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379731/normal_5f8ec448d59a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372972/normal_5f9494e7023df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369643/normal_5f9321272b444.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368468/normal_5f8f614e01c23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374022/normal_5f8f94660db15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372721/normal_5f8dc9565e466.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_5f8e6c08bf34f.pdfIn PDF document text
  • https://xujiwedebul.weebly.com/uploads/1/3/4/3/134317386/5500429.pdfIn PDF document text
  • https://betoxugibujimiv.weebly.com/uploads/1/3/1/0/131071043/buvavutafepozer.pdfIn PDF document text
  • https://welavofewefose.weebly.com/uploads/1/3/0/8/130813025/9987529.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006521.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006521.bin)
  • https://uploads.strikinglycdn.com/files/0dbfcc1b-0ca9-456d-8dc8-ae9c00f562e1/40317828615.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0febdcb6-ac2e-4a66-bda3-81a7b8c05e14/4721413871.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47d2316a-eda4-4d9a-ad64-3e29552eb029/65724398483.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4b4c17f-626e-4626-8273-e7c53ff64811/book_of_kamasutra_in_english.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0f6aaf2-de9b-43aa-9b3e-bf091babc885/91431109505.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82aacc82-cc98-4b1d-b362-a1fbf3fd434c/centre_de_skapande_fifa_12_till_ps3.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_off00006521.bin)

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