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://ttraff.com/wix?keyword=deadpool+classic+vol+1+pdf+free+download In PDF document text

  • http://files.esuzanne.com/uploads/1/3/0/9/130968972/60398.pdfIn PDF document text
  • http://files.arealisticplan.com/uploads/1/3/2/6/132696111/a2c8019e70b3f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6498/3703/files/31806220560.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6826/8448/files/60542908640.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3694/2231/files/10681899844.pdfIn PDF document text
  • https://c96d87c1-7cc2-4550-b507-94493d2ac5ed.filesusr.com/ugd/941881_63d94045ccd94472bf271f2a6978aba8.pdf?index=trueIn PDF document text
  • https://9e0b15eb-6194-4cb6-92c1-ba5e36b1b136.filesusr.com/ugd/4b874d_4c6c98fba96b496baedb2ed8381a05c6.pdf?index=trueIn PDF document text
  • https://605d5da9-4bb5-4883-a0f4-2781416bdca0.filesusr.com/ugd/ac1638_fbb6d87fdcf14ae5b692cbe5e0848fcf.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9309/8660/files/lutotoxosuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/7224/5926/files/biology_benchmark_answers.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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