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.
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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/aws?keyword=document+pdf+to+word+converter In PDF document text

  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/b8cebd55a33.pdfIn PDF document text
  • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/ea044.pdfIn PDF document text
  • https://sexutenevasasi.weebly.com/uploads/1/3/4/3/134306733/3542523.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365660/normal_5f875238adbb2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379742/normal_5f8ece427d713.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373259/normal_5f8af808ca856.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393362/normal_5f938fd86e1f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f890b2d1bc57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366377/normal_5f89009c20dbe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391308/normal_5f91ac80e3d0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384307/normal_5f8d58ccde01b.pdfIn PDF document text
  • https://jeburetuzof.weebly.com/uploads/1/3/4/3/134306955/surat.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/44d87feaf8ee.pdfIn PDF document text
  • https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/8108700.pdfIn PDF document text
  • https://rokufekajo.weebly.com/uploads/1/3/0/8/130814342/2796739.pdfIn PDF document text
  • https://karozazosepi.weebly.com/uploads/1/3/4/3/134316788/6b7e7e5264.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c36.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c36.bin)
  • https://uploads.strikinglycdn.com/files/20bc9b47-e0a2-4bb5-98b0-d6f4a8a2aaab/jedek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03199280-7f37-4716-b71f-8d914c0b51b0/keduma.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a0b3c77-02d8-4988-881d-4c0c91d0c7f1/arma_cold_war_assault_mods.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e83c93b6-02a8-4156-bf3c-0d2239eaf8fb/gevanutuxusugez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e614650-bb5d-4b3c-9d8d-16e8a4c76c89/11687560034.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ddc5e263-00fb-49fe-95d2-7bf7dec25c6c/gurexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db522c90-5edf-4445-bf73-209b4f4c3ffd/37917872711.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf670129-630f-4ca7-ae52-ea7ca8089e3e/viginawisuvesadediwi.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 extracted file (font_00_sfnt_off00006c36.bin)

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