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.link/wix?keyword=mi+propio+auto+chapter+3+in+english In PDF document text

  • http://files.maryiannacone.com/uploads/1/3/1/3/131383791/8a7087.pdfIn PDF document text
  • http://jefatu.openboxm.com/uploads/1/3/0/7/130776031/3323377.pdfIn PDF document text
  • http://jezena.womenofnote.ca/uploads/1/3/1/4/131438304/9987633.pdfIn PDF document text
  • http://nelegeti.vermontpsychoanalytic.org/uploads/1/3/1/0/131070805/621124.pdfIn PDF document text
  • http://files.leusia.com/uploads/1/3/2/3/132302814/febisaxekibaz-mixal-suwafizekironiv-xoduloxemisomof.pdfIn PDF document text
  • http://dojodil.portlandtnrotary.org/uploads/1/3/0/9/130969746/46ce55f2.pdfIn PDF document text
  • http://files.superscoreme.com/uploads/1/3/1/4/131455722/vebuv_tuziwutawak.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/1/0433/2866/7798/files/22943920057.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6857/1294/files/rigidez_articular_definicion.pdfIn PDF document text
  • https://d2900a77-09fe-4680-9f6a-376555189997.filesusr.com/ugd/277b62_b568d33eae2f4075833d4a6a7d18d5b1.pdf?index=trueIn PDF document text
  • https://dc99b820-f973-4c20-a9a5-5e340e392d28.filesusr.com/ugd/ab922d_b8d33502e2204e669069b4a96a357f03.pdf?index=trueIn 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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