Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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.me/123?keyword=give+up+robot+unblocked+66 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388276/normal_5f932866371ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379849/normal_5f8c95f5725e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366959/normal_5f8b59a8d5e74.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/16a87e82-6aad-474f-ad1e-b63cbb6e6ec0/problemas_de_ecuaciones_con_edades_2_eso.pdfIn PDF document text
  • https://s3.amazonaws.com/rokuwapesu/what_is_infinity_in_minecraft.pdfIn PDF document text
  • https://s3.amazonaws.com/gelawiweza/golden_apple_minecraft_png.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ad2c505-67a5-4340-bf71-0a4832165068/91501416315.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22da9207-2e00-41af-846d-0151b7f97eb3/puvogirizigekaludo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1c4d395-8611-42b4-b75b-ba37412f10f1/pakobuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b66789e6-1c46-48b7-9d89-4b0d9849f0b6/fupuvupagowiwop.pdfIn PDF document text
  • https://s3.amazonaws.com/rebesudanolo/redken_extreme_anti_snap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/451d507a-8798-4afe-a2d3-2659ebb56d28/84468542276.pdfIn PDF document text
  • https://s3.amazonaws.com/jumedemimo/monusumofigonip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ceab7628-1ce8-4888-be22-198afe54c336/majoras_mask_mod.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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