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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://cctraff.ru/pify?keyword=the+purge+anarchy+drive+mp4 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f872395cc311.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369495/normal_5f8b5858694d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369185/normal_5f8e3e454d068.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378404/normal_5f8aa665c4359.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/f5938ae993d5266.pdfIn PDF document text
  • https://mebavowu.weebly.com/uploads/1/3/4/3/134353315/533e01e6bd8.pdfIn PDF document text
  • https://digulowewuw.weebly.com/uploads/1/3/4/3/134363346/2385287.pdfIn PDF document text
  • https://kekerisasil.weebly.com/uploads/1/3/0/7/130775365/korilufuzu.pdfIn PDF document text
  • https://liwifaxuje.weebly.com/uploads/1/3/0/8/130874244/limiroviwusakepa.pdfIn PDF document text
  • https://fufijejelido.weebly.com/uploads/1/3/4/3/134351462/adf12420d.pdfIn PDF document text
  • https://bilimetib.weebly.com/uploads/1/3/4/4/134435282/wovopifiri-tadibonufez-wuzalez-kurav.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d81.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d81.bin)
  • http://www.daltonmaag.com/In extracted file (font_04_sfnt_off0000a6f9.bin)
  • https://s3.amazonaws.com/zetare/83347528307.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/refajuvuriwinuzop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ae1d083-8c30-42c4-ac9c-b4f274cdc204/2518428580.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77a8f62b-24eb-4bb1-a55a-6092162333e2/34503291542.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a7adb5f-b8e3-410d-9929-50c6b3a3876d/maytag_dishwasher_quiet_series_300_service_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a22a7bc-d25a-47c0-b55e-c6f25eb14053/wajelatanavol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c479f0c-60c2-4f76-b321-a7945840155a/labufazuwenavedopimu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fe70060-7c97-479d-8f62-cc57d9656ea2/mezom.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_off00005d81.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off00006ee8.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off00006ee8.bin)

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