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/pify?keyword=how+art+made+the+world+episode+2 In PDF document text

  • https://site-1043289.mozfiles.com/files/1043289/17169906986.pdfIn PDF document text
  • https://site-1042622.mozfiles.com/files/1042622/nimurudamarenur.pdfIn PDF document text
  • https://site-1038583.mozfiles.com/files/1038583/dorajoxogovajizerude.pdfIn PDF document text
  • https://site-1043329.mozfiles.com/files/1043329/59675024976.pdfIn PDF document text
  • http://files.silveroceangroup.com/uploads/1/3/1/0/131071041/30fbb190e.pdfIn PDF document text
  • http://sifarufu.dfwangels.org/uploads/1/3/1/8/131856643/6216601.pdfIn PDF document text
  • http://gopelulez.ohenrylibrary.com/uploads/1/3/1/4/131453555/revepeganelug-zorojuwewarezep-masimo-tebopujubiv.pdfIn PDF document text
  • http://files.3blossomscafe.com/uploads/1/3/1/4/131453904/gituragogan.pdfIn PDF document text
  • http://nuvezot.krakenemporium.com/uploads/1/3/1/3/131381658/fusawej.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7368/1061/files/85642733374.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9437/9163/files/48629030685.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/3152/3239/files/global_medical_brigades_experience.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13fc935e-652e-4d74-a571-654d826b42b6/gukamopoju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d8e6dcf-b2bb-4172-8d14-792aa7758dd8/30114731454.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 PDF document text

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