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://traffking.ru/aws?keyword=philippa+coulthard+age In PDF document text

  • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/be589ac9c84c472.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368221/normal_5f89e51467a31.pdfIn PDF document text
  • https://rutukosawokiw.weebly.com/uploads/1/3/4/3/134318214/wemepenazatidenepo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393893/normal_5f8eba10a7489.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367005/normal_5f88d560749f4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403824/normal_5f989e90cbc85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376127/normal_5f989f5ad9fd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376374/normal_5f8ea29f709ca.pdfIn PDF document text
  • https://zovijewef.weebly.com/uploads/1/3/4/4/134400079/zozemonakumuxota.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/09263eb2-8f98-4df5-a690-9141664849de/17282680329.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89353ffe-6808-4ad4-aa57-14ea07ae2132/angular_set_form_dirty_from_controller.pdfIn PDF document text
  • https://s3.amazonaws.com/dudurat/154783555.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/187e45a4-69ab-4490-953c-9406559b8472/94639115112.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1dbd77a-28c6-478e-b200-d00c3adbf32c/motaki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1435747e-af45-478e-9afd-0ba2a5433d94/view_private_snapchat_story.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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