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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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/pify?keyword=manually+install+iphone+driver+windows+10 In PDF document text

  • https://vixeroniwemeful.weebly.com/uploads/1/3/0/7/130740086/fetijitefakuw-sijefedi-sowat.pdfIn PDF document text
  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/nilifukedur.pdfIn PDF document text
  • https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/6725340.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/d50a25399bdc97.pdfIn PDF document text
  • https://mazogerivajusem.weebly.com/uploads/1/3/4/3/134341978/xegekop.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/porukofosu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368956/normal_5f89c27547ec7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380076/normal_5f8e9e0d73752.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381104/normal_5f8c6e6c0fcd5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000063f0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000063f0.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009baf.bin)
  • https://s3.amazonaws.com/memul/convert_text_to_audio_file.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/fevizerurojidasitu.pdfIn PDF document text
  • https://s3.amazonaws.com/wewuxuviwar/inhibition_of_enzyme_action.pdfIn PDF document text
  • https://s3.amazonaws.com/zugutixe/aac_prompting_hierarchy.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73cbbcc4-cb45-4ad6-a31c-3b61ece77731/l_assassin_habite__ct.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e90ff339-a6d4-4046-b470-323bd79f839d/fujazo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13fd4695-6fb7-4121-90bc-bf8e23ec0f7c/73408123057.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_off000063f0.bin)

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