Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://ragaz.co.za/YmrXLWy8?keyword=how%20chipmunk%20got%20his%20stripes%20comprehension%20questions%20answers PDF link annotation

  • https://hockeymro.ca/docs/file/37805420550.pdfIn PDF document text
  • https://ledijafefip.weebly.com/uploads/1/3/4/4/134465499/nomifolejon.pdfIn PDF document text
  • https://kutubugovu.weebly.com/uploads/1/3/4/5/134581815/fusisujevuseboliz.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/86811250265.pdfIn PDF document text
  • https://minhjazzvietnam.com/kcfinder/upload/files/tawuzitosaj.pdfIn PDF document text
  • http://queenart.kr/userData/board/file/jizunajinaduxareguderuw.pdfIn PDF document text
  • https://juladugalevatib.weebly.com/uploads/1/3/4/3/134385664/6184262.pdfIn PDF document text
  • http://dc-184e2b96ee46.haribhoomi.com/userfiles/file/77672954271.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/50431375494.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/51190901739.pdfIn PDF document text
  • http://zarya-lugansk.com/userfiles/file/lidiperiwozebazugob.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/63681639024.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623d0cb87ac50---fiwosiz.pdfIn PDF document text
  • http://em-mould.com/ckfinder/userfiles/files/47179000528.pdfIn PDF document text
  • http://glavis.biz/userfiles/file/jisakosefi.pdfIn PDF document text
  • http://tokado.ua/media/file/lalinudolo.pdfIn PDF document text
  • https://zewijevatijafat.weebly.com/uploads/1/3/4/2/134265582/vajefejemolale.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/0f27c23af45f88973c7b289f6d9a7960/bajumekofozaxenoputopago.pdfIn PDF document text
  • https://s3mail.tenten.vn/js/ckfinder/userfiles/files/kalorijulupibimofisidide.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://dejavu.sourceforge.netReferenced by PDF JavaScript
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

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