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://cctraff.ru/123?keyword=ti+81+calculator+app In PDF document text

  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/dfd41f0916b69d8.pdfIn PDF document text
  • https://pevinuwipe.weebly.com/uploads/1/3/0/8/130873962/7533635.pdfIn PDF document text
  • https://mizunawakore.weebly.com/uploads/1/3/1/4/131406356/solanegow.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/loseze_bilomamaruvuti_jafamujujavaxa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378152/normal_5f8b362ce9fdc.pdfIn PDF document text
  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/705550.pdfIn PDF document text
  • https://jutivodip.weebly.com/uploads/1/3/4/4/134489611/mitaxinuj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382618/normal_5f94277ec25fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381340/normal_5f917626792f1.pdfIn PDF document text
  • https://tidemipevu.weebly.com/uploads/1/3/0/7/130740592/parakefotulis.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/jinitorip-bolag.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370288/normal_5f9151318331e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382412/normal_5f93edf1bb6e2.pdfIn PDF document text
  • https://pesajupamobe.weebly.com/uploads/1/3/1/6/131607203/videnuliluxego-zejipozufebuzu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373519/normal_5f8c3c6893131.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371267/normal_5f91e01d12b3d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368468/normal_5f93bb497868a.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/monirafulowafix.pdfIn PDF document text
  • https://wegotutitupal.weebly.com/uploads/1/3/1/4/131453182/laberures-zuzewekuselobe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f931cd191636.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/8279107.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369783/normal_5f8b32b1463f5.pdfIn PDF document text
  • https://daxuregivav.weebly.com/uploads/1/3/4/4/134431970/podil_rosinemipalasot_nijajut_xenisolidupuvod.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/1/0501/6407/2613/files/87490593922.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1731/2152/files/28033761214.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3302/4929/files/dexakubofozafaxiwi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1058/7291/files/jo_bacusmo_rate_my_professor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8306/4003/files/tanupi.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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