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://ggtraff.ru/wb?keyword=roles%20in%20the%20game%20mafia In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376098/normal_5f9658625cd60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384030/normal_5f9fdd87b7e54.pdfIn PDF document text
  • https://s3.amazonaws.com/bokofapig/tinedukorosoxagomikejim.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/cambridge_checkpoints_hsc_advanced_english.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000066f6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000066f6.bin)
  • https://uploads.strikinglycdn.com/files/c8a82fe7-1a63-40b1-a410-4c6b8664c18a/argonauts_of_the_western_pacific.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e87cef41-640a-49eb-b20a-753e27a0361d/61355394620.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eac3b260-5c95-4771-af9b-489064e279dd/klein_isd_school_board_election_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f932ab8-d183-4a66-a735-d6b246cfe828/sutisitemepulun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/836ed2bc-7ed9-47c3-871b-93080f003483/26516888582.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1e91733-702c-4010-a556-6afb0e9ceeac/1101016913.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_off000066f6.bin)

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