Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://trafffe.ru/aws?utm_term=buildings+across+time+fazio+5th+edition+pdf PDF link annotation

  • https://vatozuserivowi.weebly.com/uploads/1/3/4/3/134385792/kabusizanujog-judajifatoxeg-jadezefa.pdfIn PDF document text
  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/ef81fe639a.pdfIn PDF document text
  • https://jinafoxel.weebly.com/uploads/1/3/4/5/134597088/2a5a38fb840.pdfIn PDF document text
  • https://senapuvuv.weebly.com/uploads/1/3/4/4/134459053/3879348.pdfIn PDF document text
  • https://sokazavuse.weebly.com/uploads/1/3/1/3/131378988/jijovakuxoxepume.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3032384.pdfIn PDF document text
  • https://zonebudufekepok.weebly.com/uploads/1/3/4/3/134382159/59a1c1a5.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/nomaz_lewubetege_xixusepe_mejape.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/fokapikow/12672576690.pdfIn PDF document text
  • https://s3.amazonaws.com/bokofapig/turabian_style_manual_9th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65b301a2-ad6e-447a-8c77-a0325b84e677/introduction_to_real_analysis_4th_edition_solutions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c9f4478-4347-4d98-9b9e-1ab5109d11ad/3386001785.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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