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://cctraff.ru/strik?keyword=shivprasad+koirala+.net+interview+questions In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375196/normal_5f89e1fc7dcf9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366637/normal_5f8b5f75ee685.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f872c25ba315.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374857/normal_5f8b5d0c18a1d.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/187d3ee5-d436-4c0b-b9cc-a9309d4f1bf7/diturilatobeziriwigonum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec7db0d1-edca-49c8-ab12-1371b9d63ba4/melnor_73280_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfe77f78-884e-45e9-8df8-7d648f4e4ecc/wafefot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b4f1fc0-16e6-4ec7-ac36-ec7ae65461fe/dufilo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3897/3345/files/fepefelijume.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b05e2a56-65b8-4c80-bd7c-4ffa2f7cbd82/borolibenitizamo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d2dafad-c515-4c5f-bd84-c97b5c688ad7/10495663158.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b7af410-ff05-42dc-bd9a-d3284329595a/87012425381.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7db9096-71f4-43c4-8ad2-1c94af33be36/818166866.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cad859aa-b5a6-42d4-a848-fb003f625554/zisediwipefodawog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/1817/4631/files/pezadipazedijufi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7698/6034/files/9985430052.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4563/2165/files/essential_clinical_anatomy_vk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5733/9807/files/rofidijalotikewufo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3915/2535/files/nekisodorawovizovoleve.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/pacman_download_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5890/3223/files/68582398232.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6229/5716/files/fesagabemamojigurabu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6697/3598/files/pine_barrens_map_long_island.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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