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.link/123?keyword=bt+notification.apk+iphone+download In PDF document text

  • https://sabadefupi.weebly.com/uploads/1/3/4/3/134345863/535a2a300.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/e9da25cb761.pdfIn PDF document text
  • https://kozezivu.weebly.com/uploads/1/3/4/4/134444222/7af66d3ef73471.pdfIn PDF document text
  • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/xirijid_porozuzu_nebiduvasexa_zivesuzavixu.pdfIn PDF document text
  • https://baletepo.weebly.com/uploads/1/3/0/7/130776023/0c811.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373008/normal_5f95ccc925fd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380073/normal_5f8f2d279b945.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000060bd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000060bd.bin)
  • https://uploads.strikinglycdn.com/files/d0ccfa2a-d14f-44e9-85ac-a8989cf3c681/duck_dash_codes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da4c2c32-6f78-4c15-be73-212131d68f40/54552039669.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f6b55eb-7531-4a14-9aaf-dc1531b19ed7/rivif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/465c31a5-7f93-4fab-9cd4-61da084d938a/applebees_pay_stubs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bccfb2ee-5489-4470-a6a2-1bd67bfbdfc6/62238381297.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34d47103-224a-474f-83a2-f60491c33012/69956133938.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d9c4f32-33ab-4256-84f5-ac088268bfb7/vaxikowamorugozaduboliz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf1df05e-88a7-4fb3-9012-f8ed083e96cf/cut_and_paste_cvc_words_for_kindergarten.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0042ce9c-e66c-482f-aa68-b450c31672db/kasom.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/98713840271.pdfIn PDF document text
  • https://s3.amazonaws.com/voxipanovigepiv/professional_business_email_writing_samples.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_off000060bd.bin)

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