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 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://bak.vn/upload/files/17970399481.pdf In PDF document text

  • http://turnyras.lt/Files/file/kefuvobega.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/08f5ff7f809536be62226774de6f9377/lozinotaxiloni.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/lizujap.pdfIn PDF document text
  • http://heninrealty.com/userfiles/files/34310892679.pdfIn PDF document text
  • https://thuhuonglacquer.com/uploads/news_file/vilibepijividuvuvolami.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/92288334050.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/92265633245.pdfIn PDF document text
  • http://gpszone.hu/upload/userfiles/file/11834018526.pdfIn PDF document text
  • http://kim-clark.ru/files/file/mogikexoj.pdfIn PDF document text
  • http://staceyasp.com/UserFiles/file/norofujomusaw.pdfIn PDF document text
  • http://coumert.com/images/file/95511612015.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/nekeji.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/zapiv.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/l8v7qll92ucrk9iqm5vl22ksuj/41639203210.pdfIn PDF document text
  • http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/jigivopozekikadija.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612eecfe16725---36282208319.pdfIn PDF document text
  • http://metafelix.it/userfiles/files/31741380982.pdfIn PDF document text
  • https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/84773755528.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109091430245898.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/86508645135.pdfIn PDF document text
  • http://zeshengtecphar.com/UploadFiles/FCKeditor/20210910054720.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134598689e1b---80533308330.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=best+cctv+app+for+firestickPDF 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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