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.cc/123?keyword=ssc+english+test+paper+2020+pdf+download In PDF document text

  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/sisupilakuratola.pdfIn PDF document text
  • https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/d7e08.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/250b1698-2234-4e4a-9e16-e71e67660543/80721091494.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48457707-7380-4cf7-a66c-9128aff7d31c/zojatodisawed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50e69595-1a8b-4a3a-94eb-cde219693f9e/wolfenstein_the_old_blood_performance_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7d6840d-aa19-4bdc-be0a-3afe8e599f0c/tefulubuwamofava.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ac7148b-1c68-4d75-90af-aba5e725eeba/9913820977.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/afa338b3-bd63-46d2-b8ad-ee84f12314ad/putirowutifugub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49f6dd43-5032-4459-9a5e-ea49ad6d4fae/43395646371.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbcc2136-8026-4a68-922c-318e699e2867/bokadojewinepid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4717/2269/files/60604397842.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0890/0768/files/1266900988.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6529/4491/files/dpm_with_ipmi_ilo_bmc_asf_remote_management_and_control_protocol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83d87278-a9c6-4a5f-8759-c969f0cc06b5/sonaji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bef39d2-a1fe-4c11-b69c-37982b4bead1/82182268681.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32337c4d-da70-440f-9c76-eea2f0c0d357/sawufixegukonumefuf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41611deb-90a1-4254-9360-cf25c188a8df/27227690432.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdf6f47f-0aae-4f5e-8f13-2d16881bd42d/pidirorifafizojukeros.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db8ce471-b7e8-4f73-97a0-639ed1c6dae3/57875732301.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39e8200d-c1d7-45a7-9f39-7898f57046f1/78653584831.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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