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://ggtraff.ru/strik?keyword=computer+software+pdf+books+free+download In 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/1/0498/3665/4747/files/ruboz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5009/8085/files/viper_3105v_installation_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7668/9825/files/power_wagon_for_sale_craigslist.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1048/0533/files/nodanovu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2051/7015/files/fisher__paykel_wall_oven_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/1194/7926/files/233356841.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/what_is_supporting_sentences_in_spanish.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2303/0693/files/46205308229.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfcf12ed-d6ef-41c4-95c5-536d6a192608/94981406545.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dd8b5bb-9444-4cd8-86a9-f461c9401980/vopalutavikolozobimabiwu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aac9771a-22b6-4020-848e-285c5ba1a57a/32391952571.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/820f95d0-4ec7-4171-a73d-1cc2677a849d/19418176281.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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