Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://pelibifir.ru/strik?utm_term=dorian+gray+summary+chapter+17 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4420237/normal_60646e4f05fe5.pdfIn PDF document text
  • https://cdn.sqhk.co/tatidukigag/BUid5jb/street_basketball_theme_song.pdfIn PDF document text
  • https://cdn.sqhk.co/wezupobuwab/eQkjfgc/muzulu.pdfIn PDF document text
  • https://cdn.sqhk.co/nemisova/jn2z5D7/melody_thomas_scott_biography.pdfIn PDF document text
  • https://cdn.sqhk.co/ruvuwoki/i8aghhb/75529925702.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476294/normal_60142f1ae00b4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://07f52280-50dc-49c2-beec-a2e30bf849d0.filesusr.com/ugd/7b8f90_ddff598824c24f26993033d701ec7118.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zunaduxa/73799229369.pdfIn PDF document text
  • https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_ace8612a4586409db37d1323aa96fdd7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2078b897-594c-4e80-90e7-c9f4fa6170bd/40653218517.pdfIn PDF document text
  • https://f61a8d15-835b-4c36-a3db-e4ead73ab13f.filesusr.com/ugd/e9f5f3_e1fad636c4724edc86c8e29afc125c8e.pdf?index=trueIn PDF document text
  • https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_092c552500864db99b663619c83a87d3.pdf?index=trueIn PDF document text
  • https://3857ddc0-2b33-46ba-b4a8-ebef9b167687.filesusr.com/ugd/5cc0d5_32c451ebcc26490b95b2f7bd5fa47eaf.pdf?index=trueIn PDF document text
  • https://276658a2-c6b1-4a23-bc3b-56c82bce4278.filesusr.com/ugd/f9448a_20a351330c484ffc88cdbdc1c20f24db.pdf?index=trueIn PDF document text
  • https://e301b21f-f707-426c-a094-6199d4b1a2d6.filesusr.com/ugd/f65518_cff2e61b9b9643099c3072493970c247.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gixirojozogufux/satuf.pdfIn PDF document text
  • https://s3.amazonaws.com/pirofopafu/madras_high_court_typist_answer_key.pdfIn PDF document text
  • https://6bc61794-ec17-45f1-96eb-8bed4cd57308.filesusr.com/ugd/217b8a_6bcb82cb4329441b9c71b802451d2a83.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a03e742c-3f0f-4756-a63e-98924030a148/87114263738.pdfIn PDF document text
  • https://s3.amazonaws.com/lebejos/component_2_eeo-_1_template.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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