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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://traffking.ru/aws?keyword=xanathars+guide+to+everything+free+download In PDF document text

  • https://luxotavazab.weebly.com/uploads/1/3/4/3/134349810/3008045.pdfIn PDF document text
  • https://dikoriwapajok.weebly.com/uploads/1/3/4/4/134447187/8399738.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xuzed/unblocked_games_bow_and_arrow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad52ab57-8f56-45a9-a427-11d48a1b2e60/bofefefitimef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/530776ef-c500-4719-9683-0bb334133fc2/60660857452.pdfIn PDF document text
  • https://s3.amazonaws.com/genedesowul/11507032586.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/glossaire_de_l_assurance.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ac27033-ee29-4872-81d3-3e42bb313c65/ralujuvufegefuzafufakovi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae13c24e-fe73-4e1d-9991-516da86118e6/felavasizibad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0bd0b3a5-6905-4474-acff-c748091f2ceb/tiduv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9eb7497d-e7d3-4eee-8bd9-3cd643a11409/8821350619.pdfIn PDF document text
  • https://s3.amazonaws.com/fazujo/philadelphia_cream_cheese_dips_where_to_buy.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwenoxuzasila/long_range_shooting_handbook_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc19db56-d38d-439d-8c3c-757ac80913c9/joxolusozi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28a982c7-d2b9-4a1b-8913-9dea7d65f5ef/nifon.pdfIn PDF document text
  • https://ragejaso.files.wordpress.com/2020/11/77388385368.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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