Malicious PDF — malware analysis report

Heuristics 4

• 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 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.
• 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://ggtraff.ru/strik?keyword=in+my+feelings+drake+mp3 In PDF document text

  • http://difovi.sejenkins.com/uploads/1/3/1/6/131606490/makematamapi.pdfIn PDF document text
  • http://files.sarahlucerofitness.com/uploads/1/3/1/1/131163751/fugozilip.pdfIn PDF document text
  • http://muboru.rottencollective.com/uploads/1/3/2/3/132302942/8230068.pdfIn PDF document text
  • http://files.starislandpuppies.com/uploads/1/3/2/6/132695697/dab16a40b85f.pdfIn PDF document text
  • https://site-1036803.mozfiles.com/files/1036803/92068584751.pdfIn PDF document text
  • https://site-1039393.mozfiles.com/files/1039393/magenu.pdfIn PDF document text
  • https://site-1038601.mozfiles.com/files/1038601/towisitudevilepa.pdfIn PDF document text
  • https://site-1037164.mozfiles.com/files/1037164/38068861465.pdfIn PDF document text
  • https://site-1036951.mozfiles.com/files/1036951/5918763409.pdfIn PDF document text
  • https://site-1039533.mozfiles.com/files/1039533/47989982339.pdfIn PDF document text
  • https://site-1043034.mozfiles.com/files/1043034/rilimakuwemakiragano.pdfIn PDF document text
  • https://site-1037228.mozfiles.com/files/1037228/72764331601.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005f3d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005f3d.bin)
  • https://uploads.strikinglycdn.com/files/5f1f6806-dca8-4edc-9f53-72ceecb639f5/79242145036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bcff5eee-ce7f-48ae-9622-bb0d4192105a/49635980245.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffab8cd9-ae1f-4fea-a1b8-04079269e348/52964042313.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_off00005f3d.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000096ab.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000096ab.bin)

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