Malicious PDF — malware analysis report

Heuristics 8

• 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.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://retake.dk/ckfinder/userfiles/files/94491927675.pdf In PDF document text

  • https://aakritidigitals.com/userfiles/files/wuvufenaredelev.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/44147338024.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/2759360555.pdfIn PDF document text
  • http://uralteplostroy.ru/content/file/46973106137.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/16499654546139234fcf8ba.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/77404049881.pdfIn PDF document text
  • http://dirpub.org/editor/ckfinder/userfiles/files/bufizovifa.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/31126109718.pdfIn PDF document text
  • https://agencement-menuiserie-var.fr/stockages/files/71524280429.pdfIn PDF document text
  • http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/kobovefawopimabategegaxo.pdfIn PDF document text
  • http://allgeology.ru/ckfinder/userfiles/files/vufovadu.pdfIn PDF document text
  • https://ipkameros.lt/userfiles/file/vetoramidenevojes.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/38156005687.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/2141136724.pdfIn PDF document text
  • https://robustbrakes.com/administrator/imagetemp/file/mozulef.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c349aef9c0e20277523e88d9dcde8208/12419258904.pdfIn PDF document text
  • http://ajeah-intl.org/fck_image/file/jumakanebebanenuleviz.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/98300238186.pdfIn PDF document text
  • https://yodobashi-church.com/zaradazazisi.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/4226050711942a79a40e4926d376f735/78066978259.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-9-14/20210914033635648253.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/7878055038.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139607b2d77c---66021768481.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=clasificacion+de+las+bellas+artes+pdfPDF 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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