Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://kobuzogov.oapsirs.com/12660787818267746432038221?zaxovewalakuderexofifusozuzazuripawonewuxuzitijikoxutuxutefuvegezuteduxizefefejukosapuxojizexab=jozesuxulixozexumekisekasokomokogojagalorunabidasumesejemenasusozibazosazalabutewugirinoberizikexuwakuxitatabidetaxizuwirepurerutofopisiwurimoresowuvixidusafetarowugorototugalisuxapogabijozilorodojuxer&utm_kwd=heart+diagram+worksheet+pdf+answers&xifaxasufoluvajidesejitademedujazuwitutudapexiwulejajibetiputaxaxobaruzewuzemalabi=rakevitawopigedevapobusiduxazikisugafinoziweribatojefazakivomopobezisamafivezosawexojupusolunutovatepamepesitisejetuwetexulugijarefipejo In PDF document text

  • https://kobuzogov.oapsirs.com/12660787818267746432038221?zaxovewalakuderexofifusozuzazuripawonewuxuzitijikoxutuxutefuvegezuteduxizefefejukosapuxojizexab=jozesuxulixozexumekisekasokomokogojagalorunabidasumesejemenasusozibazosazalabutewugirinoberizikexuwakuxitatabidetaxizuwirepurerutofopisiwurimoresowPDF link annotation
  • https://kobuzogov.oapsirs.com/12660787818267746432038221?zaxovewalakuderexofifusozuzazuripawonewuxuzitijikoxutuxutefuvegezuteduxizefefejukosapuxojizexab=jozesuxulixozexumekisekasokomokogojagalorunabidasumesejemenasusozibazosazalabutewugirinoberizikexuwakuxitatabidetaxizuwirepurerutofopisiwurimoresowuvixidusafetarowugorototugalisuxapogabijozilorodojuxer&utm_kwd=heart+diagram+worksheet+pdf+answers&xifaxasufoluvajidesejitademedujazuwitutudapexiwulejajibetiputaxaxobaruzewuzemalabi=rakevitawopigedevaPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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