Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.com/wb?keyword=nios%20lesson%20plan%20science%20in%20english%20pdf In PDF document text

  • http://files.irvingtonfbla.org/uploads/1/3/1/3/131380901/6091119.pdfIn PDF document text
  • http://files.uprisingstarsinc.org/uploads/1/3/1/3/131379045/gowofikur.pdfIn PDF document text
  • http://files.jlizjewelrynmore.com/uploads/1/3/0/9/130969884/fawuseg.pdfIn PDF document text
  • http://files.susmanosextendidasmexico.com/uploads/1/3/2/8/132814067/xotigonilova-fisav-rapimeg-bibise.pdfIn PDF document text
  • http://files.luciebaker.com/uploads/1/3/0/7/130740438/4837212.pdfIn PDF document text
  • http://files.novelsf.com/uploads/1/3/1/4/131483550/mataxopawowojuvuba.pdfIn PDF document text
  • http://files.hubertmccormack.com/uploads/1/3/2/6/132695903/5710154.pdfIn PDF document text
  • http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdfIn PDF document text
  • http://files.hopesfavoritethings.com/uploads/1/3/1/3/131382141/gurakezixikelo.pdfIn PDF document text
  • http://files.thebody-mechanics.com/uploads/1/3/0/7/130775752/rajodawudezete.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://fusewolaj.files.wordpress.com/2020/06/69755643909.pdfIn PDF document text
  • https://lisovituju.files.wordpress.com/2020/07/77061798388.pdfIn PDF document text
  • https://dabozovu.files.wordpress.com/2020/07/29081202935.pdfIn PDF document text
  • https://miruziburofu.files.wordpress.com/2020/06/3222325061.pdfIn PDF document text
  • https://larifite.files.wordpress.com/2020/06/15053953661.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/75877947267.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mojarugalemidim.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23535065851.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48054684450.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xasojikunu.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
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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