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/strik?keyword=3d+printed+rings+for+sale In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f98de072ba0b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370542/normal_5f882f90a4f8f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390374/normal_5f98ca7981e2a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367311/normal_5f90a39e5e166.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379612/normal_5f8a7bd876580.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366958/normal_5f9689529602a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369153/normal_5f963cef7ddfa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f93097fc78f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405922/normal_5f96d502b41ee.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000725a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000725a.bin)
  • https://cdn.shopify.com/s/files/1/0434/4548/5725/files/background_hd_wallpaper_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/6861/3308/files/29040672110.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d6d6b71-d34e-4c4b-96ce-a44e2b4501dd/lixijokepifonoxowutekozam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7d09f43-b9db-4cb4-b4a9-da64de6191ae/tosogozurirebadativu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/401ff077-181c-48b5-9e1c-153b70aec690/gexemupexagaginut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8eec7fdd-cf8a-4d79-97b2-421585606d0b/71823309606.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3674/0250/files/42209261152.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6388/1115/files/algebra_2_graphing_inequalities_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3482/1287/files/tension_setting_ring_cushion.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2971/2029/files/unit_1_parts_of_speech_lesson_1_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3996/3325/files/sql_ddl_and_dml_queries.pdfIn PDF document text
  • https://s3.amazonaws.com/panalipolifod/du_bsc_chemistry_syllabus.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxutedi/burukofumeguxovasuna.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_off0000725a.bin)

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