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/123?keyword=install+terrarium+tv+on+android+tablet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f91f7bd51457.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369760/normal_5f8a8e8d1cd15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378834/normal_5f8da05027c9c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378425/normal_5f8bbd19b7937.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/2a5b38eef3430.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/4041939.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/bdfb191f-6ae9-4ea4-9c0e-76d2dafc41dc/fexekatodatowowu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03199280-7f37-4716-b71f-8d914c0b51b0/keduma.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a38377b-3326-478c-91a0-01b33fffa10a/22189988425.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0be8e80a-5890-48ec-a6e9-8059c81ecb1f/competncia_comunicativa_uanl_libro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88840c6b-9255-4e43-81d0-4ffe8aef0807/pegabiratogize.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0787/7017/files/nilepo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8383/1728/files/4924054525.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7905/0438/files/parent_communication_log_editable.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7427/2408/files/non_proliferation_treaty_text.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8541/2546/files/86986720429.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/cadastral_map.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/pazevuzinuvovaseva.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/dry_training_for_freediving.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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