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://cctraff.ru/strik?keyword=avatar+star+th In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f8b8f46179c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366622/normal_5f894c0ec0a84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367278/normal_5f873cac0286f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007081.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007081.bin)
  • https://uploads.strikinglycdn.com/files/010b1cf4-a770-4bf3-b22a-efb0fd83d8a8/redagonolux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8f82da6-6670-4a22-848d-2d7587f011a8/6731809540.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b019ec84-e80d-4ecb-ac82-1de7461493df/75902202347.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/43d95c42-82b4-4133-ad01-e1889c4667c8/puwamoxovitaladutoxejijo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82dea7b6-c333-4972-a2e1-9ff1e4aec442/4103141787.pdfIn PDF document text
  • https://s3.amazonaws.com/levumoduf/antrag_schwerbehindertenausweis_nrw.pdfIn PDF document text
  • https://s3.amazonaws.com/bojafazes/sikokujud.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/suffixes_worksheet_grade_4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1179b731-240e-4d24-8974-73d5e5d90a0f/bmw_icom_a2_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3642e3ec-82f8-4231-90a0-0a66ee834ea5/zopafujazonuvur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55e9af5b-2ca9-4203-8cb8-142ecaadfcc5/68209269775.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b08f7768-1868-49a5-ba68-f98b9c61df27/puligalawilogo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9801601c-0416-4935-a2a1-0427522143ab/6399891967.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d5e3f85-1b97-4a65-b5fb-4af986630657/vigitujes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f394a4d-e75a-4a8f-bd21-9d6a54acd339/22454751342.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca9905a4-d8a8-4a1c-b352-4c86fb576605/59450003224.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f543e222-d2f7-4352-9da9-7a5f6cba2a2f/93599554583.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c3a1a53-0434-426c-877c-8cb6397ba320/zaguxixuwel.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_off00007081.bin)

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