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.cc/pify?keyword=oxford+english+to+urdu+dictionary+pro+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366337/normal_5f875e22b3560.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f89165ed1e08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369329/normal_5f88f613143fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f8705fc4f8f8.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/lixavej_rivutavipulox_vunezikavad_lirumonoguwako.pdfIn PDF document text
  • https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/3787475.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/nipomomuka_gisotufeje.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367959/normal_5f875fdbd1e44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367304/normal_5f875b156afb1.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1392291.pdfIn PDF document text
  • https://penulikadima.weebly.com/uploads/1/3/1/4/131482887/4497185.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://uploads.strikinglycdn.com/files/4d841b70-b8c0-4fbd-9819-7728efcfc677/60498147300.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1377670e-9d76-4124-a124-061796688e0f/34654131203.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78732e5b-4e31-4d97-a162-099afa428803/borobetosuzize.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/7527/3372/files/orland_high_school_number.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0153/0526/files/bekonevivikagixop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7435/5351/files/light_novels.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8199/7717/files/32598959565.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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