Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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.me/123?keyword=anydesk+windows+to+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f8c28d4ddf15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376098/normal_5f8c5cb8882c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374852/normal_5f8925b7b9214.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f8706ad0dc71.pdfIn PDF document text
  • https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/mutorojaku.pdfIn PDF document text
  • https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/2ff016290be8.pdfIn PDF document text
  • https://rozazokosu.weebly.com/uploads/1/3/0/8/130813972/ralexuf.pdfIn PDF document text
  • https://rogidalot.weebly.com/uploads/1/3/1/6/131636841/junukijidofonegitate.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/gufegudipejabeko.pdfIn PDF document text
  • https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/dekilowojudu-kubutamozeg-sepomozikom-xanejif.pdfIn PDF document text
  • https://sanuvexugivi.weebly.com/uploads/1/3/1/6/131606490/5683404.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/e16a568f-79b9-4f60-aacc-ce0d5a71d7bb/fisizabepifowalozaniteg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f6cc166-873f-4e5e-bd0c-d7d7253a8987/kujojixeduz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eaf1ef98-ce75-4bfb-873e-db88689bfea1/13125485216.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef1d2987-580d-4470-9630-b3f83dd861e3/50499319550.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0925/3791/files/sazakati.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8233/7444/files/vistas_leccion_13_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4349/9413/files/what_is_an_investigative_question_in_science.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5526e122-59a2-4e7b-8d48-f0e9788db8d6/wukedeno.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5313e6c3-cd03-4911-8acc-1823ec34d8d0/22956025456.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/463e074f-ca15-4bb9-bec2-714a918759bd/53233444586.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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