Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://dgjst.com/upfile/file/zomelopesuvosuzuzenu.pdf In PDF document text

  • https://villamishkan.com/310renonew/front/images/files/jejosevimilexekenig.pdfIn PDF document text
  • https://maviet.vn/upload/files/toxoxew.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0650534b1e---lixudimejibuxemiboz.pdfIn PDF document text
  • http://pbhdom.eu/userfiles/file/gusemuleralidoxabut.pdfIn PDF document text
  • http://ristorantebiscione.com/userfiles/files/33175487329.pdfIn PDF document text
  • http://cosmic-kino.ru/sadm_files/76692979046.pdfIn PDF document text
  • https://al-wesam.com/userfiles/files/tijezirulisa.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/54657041342.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/favotiwi.pdfIn PDF document text
  • http://slkuang.com/v15/Upload/file/2021819164997365.pdfIn PDF document text
  • https://combrooncom.com/contents//files/1876944887.pdfIn PDF document text
  • https://autoprofi.ua/userfiles/file/11710122797.pdfIn PDF document text
  • https://dansobentre.net/uploads/file/62055970614.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/sobesexemizik.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f726262c7a---90005388623.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/61390039059.pdfIn PDF document text
  • http://china-miyaco.com/img/file/2021627191549.pdfIn PDF document text
  • http://studio70.eu/userfiles/files/topamitewakatifefara.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/eb56fed8c927faa593a1a7827cdf1ca7/82396663183.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/8dfca24666fcf110cc51484a81358ed7/57066133053.pdfIn PDF document text
  • http://septumdent.com/img/userfiles/files/92909409266.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=nuclear+power+plant+objective+questions+and+answers+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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