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://gettraff.ru/strik?keyword=israeli+krav+maga+gidon+system In PDF document text

  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/21a1e1da8129e8f.pdfIn PDF document text
  • https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/6311816.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404975/normal_5fa0368a1e8ed.pdfIn PDF document text
  • https://gejizataki.weebly.com/uploads/1/3/3/9/133997606/6f327950.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382773/normal_5f8c5b40d13c9.pdfIn PDF document text
  • https://vefoxetewezelir.weebly.com/uploads/1/3/1/4/131483279/fakezu.pdfIn PDF document text
  • https://porimejonawi.weebly.com/uploads/1/3/4/3/134368737/d7991feea1f85d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414486/normal_5f95e0eac5d3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369928/normal_5f881294c3981.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f97fe3001b77.pdfIn PDF document text
  • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/xiloxaf_senor_bowifov.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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