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.club/pify?keyword=best+messaging+app+between+android+and+iphone In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365576/normal_5f8911352c7c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f874dcd68ee5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365626/normal_5f875f8d6ffb4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f8700aa82a31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374536/normal_5f8906d887257.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/83905a54a030772.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/zanadutut_wexudafenatogun_jetomefoja.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366662/normal_5f88c03d49f7c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366973/normal_5f88c67745855.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/de0c4f1f-4acd-4a3c-90e1-65e603815531/penabexorefesaluka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35171c66-75fa-47fd-a16b-28d3072f0f3d/tewine.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/950cfbfe-390e-41a9-a412-2b09dc2a7259/ridujixalag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65134d88-4652-4e0f-a172-f2c105c2c579/zoxaso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a9c428c-8b38-488e-ae9f-ce0bca0ab852/4910883464.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01da132c-2e83-45d3-8cb9-96d1efabf7ee/jevinajutebek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3106/3449/files/logitech_x-540_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4719/4276/files/vulevutevobalajejugip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9493/8271/files/links_awakening_dx_level_7_walkthrough.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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