Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://cctraff.ru/123?keyword=calendar+canadien+2020+pdf In PDF document text

  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/mikukinib.pdfIn PDF document text
  • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/rutorujikifedez.pdfIn PDF document text
  • https://likixulojuxe.weebly.com/uploads/1/3/4/3/134386003/xurepe.pdfIn PDF document text
  • https://palozemoxapido.weebly.com/uploads/1/3/4/3/134366311/9441911.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000658e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000658e.bin)
  • https://s3.amazonaws.com/jinabisura/90892961167.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/addams_family_musical_score.pdfIn PDF document text
  • https://s3.amazonaws.com/nowokil/bharat_forge_annual_report_2016-_17.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcd7c1a4-f491-475b-b84b-6aeeaa1342fc/53072290803.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91fafe44-d5de-41b9-bd9a-622530229f2e/xozomudoxexezufafipo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87404779-c24d-4fbe-888c-7b15d95ea092/jibaneladol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1b3bb4b-7b3d-4545-85df-5348deea05c5/google_home_clock.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/voretejoma.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/tatalaksana_penyakit_jantung_koroner.pdfIn PDF document text
  • https://s3.amazonaws.com/gapivegek/12296032373.pdfIn PDF document text
  • https://s3.amazonaws.com/mupukesunobaga/bcs_preparation_book_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2881/5284/files/destruction_derby_2_android_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1671/2100/files/undo_git_init.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5008/1690/files/42187357854.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8874/3062/files/xposed_framework_apk_latest.pdfIn PDF document text
  • https://s3.amazonaws.com/posufij/54437210484.pdfIn PDF document text
  • https://s3.amazonaws.com/sevoga/botany_for_degree_students_by_ac_dutta_download.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 extracted file (font_00_sfnt_off0000658e.bin)

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