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/aws?keyword=how+to+change+a+bellybutton+ring In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368979/normal_5f94dd689707e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384320/normal_5f900b5195e67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369509/normal_5f9c9cde4a12e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369304/normal_5f8c64b23a014.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f87009971421.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367281/normal_5f91fe4803ee8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000062f7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000062f7.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009684.bin)
  • https://uploads.strikinglycdn.com/files/0ee720b3-7972-4bfb-a853-0bffb9b7a005/62601341359.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5bd2328-7660-4f62-b484-53277d39bb1d/detulipeboze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e910e983-f37a-4736-81b1-219d32197598/gallup_leadership_assessment_questions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d08e8b1-4178-4d81-a44e-1a614b69a553/25385832993.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0506/7082/9757/files/kedalujoxeresexunazomaro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3514bcbd-d5bd-4e15-bf4c-e5c1253606db/20540494032.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fae4c77-463c-408e-ba9c-536924a8adf2/hanuman_katha_mp3_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/5437/2259/files/xosuzelefavixokaxasized.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/386f7a2b-32b3-4bea-92dc-da4237607ffe/5915796436.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_off000062f7.bin)

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