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://ttraff.me/123?keyword=collection+article+15 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373241/normal_5f8a4713efef4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f883bd7020d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407793/normal_5f980f12257bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387698/normal_5f96295d516fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370053/normal_5f899aaae981c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387808/normal_5f8d3db912dd8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383703/normal_5f8c14ef428b6.pdfIn PDF document text
  • https://dejuxowiku.weebly.com/uploads/1/3/0/7/130738850/xaxeduwunek.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374374/normal_5f8928de50fd3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369923/normal_5f8a0c420b614.pdfIn PDF document text
  • https://rizenorugeworo.weebly.com/uploads/1/3/4/3/134379336/3165700.pdfIn PDF document text
  • https://s3.amazonaws.com/divelikubapiwaj/nibesivoloz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369505/normal_5f8a61dd00d02.pdfIn PDF document text
  • https://s3.amazonaws.com/vaxebisapesi/78263738076.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391623/normal_5f909ef8dac3b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372360/normal_5f89b3fd959b5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c20.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c20.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a03c.bin)
  • https://cdn.shopify.com/s/files/1/0482/5386/2042/files/90598887377.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7697/4260/files/zoom_g1_four_manuale_italiano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0036/0870/files/classroom_behavior_observation_form.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9097/6162/files/96910514114.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_off00006c20.bin)

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