Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://ggtraff.ru/strik?keyword=common+prefixes+and+suffixes+pdf In PDF document text

  • http://files.sowellness.com/uploads/1/3/1/6/131637649/a20250cee2.pdfIn PDF document text
  • http://polegov.blackskullcompany.com/uploads/1/3/0/8/130873830/17b32fa4cae.pdfIn PDF document text
  • http://files.crossroads-vet.com/uploads/1/3/0/7/130775109/9191181.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/9498450c-063c-493d-ba2d-66d32a3b2537/zuxuxavi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b221f25-c78f-427d-96ae-7b3018a78c82/68049091131.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc8476c2-684d-40bd-87f1-9de2929db53c/58285070363.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b895da5-9523-4a1c-990b-644a6564245e/popobimonokejeludotamevow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa62b00d-156b-4744-b45a-830d988362d3/xuwofiwukefu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8122/7672/files/75067997589.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4471/1847/files/shady_dragon_inn.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/2677/7765/files/fun_facts_about_milwaukee_wisconsin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8948/4190/files/42232443153.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c5feb3e-4275-42d3-a5d8-558aaa5d603b/64553018317.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6468c49-def0-49cc-9a34-6f36095317e2/27814100918.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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