Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ttraff.me/123?keyword=gta+4+download+for+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368467/normal_5f881bbd9dc52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369932/normal_5f8cf38ae19bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375200/normal_5f8949727409b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f8933f732151.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374860/normal_5f8b75c1d1bb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366662/normal_5f89289f2561e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f8ac6bc49a52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366341/normal_5f871517da9f1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374376/normal_5f8a7b8750ceb.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/ba690c84-b5f0-4e6f-8796-32f6cdd85d2f/tudier_le_signe_d_une_fonction.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc87df15-6f1d-426d-94c0-53088b39c797/87333278800.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/feba7326-3b94-4210-89ac-c003ffb485f1/27579889429.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/4473/2833/files/max_test_extreme.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d2d59c2-4433-4342-90bc-7116a1fcf41f/wesudo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d94c31d-b731-4dcb-855e-1076991df013/bufesipusekofiwit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff9bf1a5-ee1e-4d9a-976b-109476cf7c63/walolisuduwetebenev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aff18c1e-3b82-47c0-8cb1-23177bf6a4ad/vodixokiwesibe.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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