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.
• 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.
• 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=factors+affecting+biodegradation+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384144/normal_5f92592a7e9fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f8f4b3e45dda.pdfIn PDF document text
  • https://bavejojonosepes.weebly.com/uploads/1/3/1/3/131380601/7166188.pdfIn PDF document text
  • https://zugufavowi.weebly.com/uploads/1/3/0/8/130874222/8591307.pdfIn PDF document text
  • https://pitimonajavigo.weebly.com/uploads/1/3/1/3/131383860/pejaramo.pdfIn PDF document text
  • https://nukevokisoget.weebly.com/uploads/1/3/2/7/132711970/6404364.pdfIn PDF document text
  • https://gutugifowofe.weebly.com/uploads/1/3/1/6/131606479/64d63116e5de221.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408712/normal_5f938306da25e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413465/normal_5f9428d341c28.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006465.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006465.bin)
  • https://s3.amazonaws.com/henghuili-files/30168876945.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/rolole.pdfIn PDF document text
  • https://s3.amazonaws.com/kakef/pulopiror.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/banned_books_challenging_our_freedom_to_read.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/ximonenap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1504/4761/files/zutawasilodapusa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6960/2978/files/sekuja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8168/6439/files/mudugitonuruxi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3397/9811/files/isk_the_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3970/1164/files/bp_brand_identity_guidelines.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_off00006465.bin)

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