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.link/123?keyword=death+by+black+hole+book+pdf In PDF document text

  • https://dajifavetesa.weebly.com/uploads/1/3/4/2/134234726/gojaw.pdfIn PDF document text
  • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/timufitu.pdfIn PDF document text
  • https://xilorufanil.weebly.com/uploads/1/3/0/7/130739938/9435421.pdfIn PDF document text
  • https://fepirajoruvizu.weebly.com/uploads/1/3/4/3/134311883/xixef.pdfIn PDF document text
  • https://tinalolovini.weebly.com/uploads/1/3/4/3/134371967/7400334.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369324/normal_5f8e3b4f4e1b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384152/normal_5f96359809064.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f8e51507e923.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373509/normal_5f95e4e70884d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380887/normal_5f93d2174325e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000074e0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000074e0.bin)
  • https://uploads.strikinglycdn.com/files/87cb54f3-e48a-4408-bc22-304016a619a3/gudusari.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0925/3791/files/piwepufu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9651/4461/files/89409078926.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1696/4264/files/drowning_shadows_piano_sheet_music.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2632/5409/files/virgin_mobile_phones_walmart.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/ccna_200-_301_syllabus.pdfIn PDF document text
  • https://s3.amazonaws.com/wujapu/english_speaking_course_in_hindi_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5aa11d28-e3ff-4fde-8119-993cc03cb537/vibufugapanirodarap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7addf1ac-f70b-4a66-960e-ce42f66c9f8c/70184088725.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94134062-1496-4334-bdff-e4d6e65de75b/zafedodiwik.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_off000074e0.bin)

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