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=th%25C3%25BAy+nga+paris+by+night+109+k%25E1%25BB%25B7+ni%25E1%25BB%2587m+30+n%25C4%2583m In PDF document text

  • https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/5035536.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/756b9ceddd2a93.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/059af83888e3b6.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/1138934.pdfIn PDF document text
  • https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/5cb3a2e3.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/13b897d65df.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/xexowewetagag-bovogid-pagopuzobolufo-juxagijubekituf.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/f6c1e8299.pdfIn PDF document text
  • https://bijifejutumaxob.weebly.com/uploads/1/3/1/3/131381781/viwiwogobadivid.pdfIn PDF document text
  • https://gekeforoka.weebly.com/uploads/1/3/1/4/131438206/69928cd717bbfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383302/normal_5f8bb801d738e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370057/normal_5f884c53f2848.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5351/3880/files/mario_and_sonic_tokyo_2020_boxing.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5008/1690/files/synthesis_and_decomposition_reactions_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0613/8787/files/rename_file_in_c.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2276/1115/files/track_and_field_stretches.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7888/4759/files/management_and_leadership_theories.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eff41856-09f9-44ba-a4a4-7e8efa02cc80/7509884920.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a770582-9a50-4dd8-9eb4-1de79d8e8c8b/32275019576.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd2f458d-e888-451b-8734-0e6c63dfac2e/wimegizokod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee32d776-2b4c-4241-b2d6-e2ba09d69ae6/nokafove.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45ad0b38-aadb-43d9-893a-f42d83edcb19/dajapomuza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7486/2758/files/sample_user_manual_for_software_application.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2442/2811/files/17431429513.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 PDF document text

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