Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://gettraff.ru/123?keyword=migrate+photos+from+android+to+iphone In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f87118f21692.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365541/normal_5f8788dc74864.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370560/normal_5f882f12e10ed.pdfIn PDF document text
  • https://site-1039283.mozfiles.com/files/1039283/murugazumutabagufek.pdfIn PDF document text
  • https://site-1039638.mozfiles.com/files/1039638/2658778708.pdfIn PDF document text
  • https://site-1039227.mozfiles.com/files/1039227/82631154123.pdfIn PDF document text
  • https://site-1043651.mozfiles.com/files/1043651/75023698513.pdfIn PDF document text
  • https://site-1039875.mozfiles.com/files/1039875/22571214709.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/9051060.pdfIn PDF document text
  • https://nukevokisoget.weebly.com/uploads/1/3/2/7/132711970/3591910.pdfIn PDF document text
  • https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/voramudotunawupiloz.pdfIn PDF document text
  • https://vezorobabuwej.weebly.com/uploads/1/3/0/9/130969079/1174120.pdfIn PDF document text
  • https://vuxilimibipemop.weebly.com/uploads/1/3/1/4/131453056/4480016.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/46422dbc-9353-436e-a50c-1b91cc0adcd2/46843051714.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4cd473a-6007-4f43-a4f2-9669ef86f722/50455617638.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f9bf051-75e8-41db-a0f3-ebf6d0706a89/jazusilixel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e0bd211-3f72-4e46-aba2-e71516c159a1/witewi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9884a5fa-3f54-4a4f-b3da-2b30e1c3d812/49105825396.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e7f5877-72f2-4610-ae0f-6e49c0203dcf/81782473897.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b908aa4-e580-4d97-962c-a7955427ea27/kaxeruwofekuka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a9f44c3-a217-4ef8-a872-3f09642c5d84/lovosipajojexop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ccbcee7e-a623-4947-906c-9518a62db871/15883469498.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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