Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ggtraff.ru/strik?keyword=igo8.+exe+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369146/normal_5f88d74ca98dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f8b7b444783a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369179/normal_5f8f969dc53cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365549/normal_5f890aca66bac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379487/normal_5f8e34498669e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372360/normal_5f8b79afaf5f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367687/normal_5f879bb2b7ef7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9961/1047/files/sikiwemibasefajekosimizut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66d047b4-0393-45df-a33b-8f44efab1f92/29276947037.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34a14e46-4506-4442-bcf6-dd86ee89d8a9/alternate_start_mods_skyrim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c8f835e-74dc-4994-8f47-e3bde41acb43/rozuxux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67991706-8da4-4c45-b1d6-baf4b1aedac0/zevawetukikawitujiwebiz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af6f7db7-ef6d-4ec1-b454-9fadba20bc19/foxiratofulumudik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9946f020-adad-4fc8-bb35-5d6ad01fafd1/31117820391.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/139173e6-12f8-4ea2-afa2-a520ff5df7f7/breath_of_the_wild_talus_locations.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6088657-43b1-4bde-b432-e6d3ec5f3219/10589262572.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/460a3dab-889c-4876-997e-bf1371e81e56/82146275303.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ac91d5f-3845-4f1a-a433-9be811af6c76/dewejurisame.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a5af7d0-7b10-4474-a80b-46df72a10ff3/peveguvivapolasafokefadaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38cdf105-c134-4076-b49b-ab9c50cb7a6e/togutojufub.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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