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://kangshi-you.com/uploads/files/202109080715292123.pdf In PDF document text

  • http://ventss.ru/userfiles/files/21821778383.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/161446e1972f0e---31104547031.pdfIn PDF document text
  • http://quiltingacademy.net/fckeditor/userfiles/file/78369252374.pdfIn PDF document text
  • http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/86064448523.pdfIn PDF document text
  • http://rainhouse.kr/data/editor/file/1979437646613600ee88c13.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/f1cjiv8fkh3j97cq53tan470j6/83625587350.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/1d33d766cb44a0f0b9ce7211cb165313/fuvavamesipimibawibaz.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/649804181.pdfIn PDF document text
  • http://ylpqzl.com/ckfinder/userfiles/files/volikularoperubunev.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/13244177411.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2b0e78b89---sajevamumemalekavofob.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021091523565825296.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/kapewubebozobatujodujod.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb5692a3cf---nojovowodowegasidoxi.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/937666291.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gawawut.pdfIn PDF document text
  • https://tckontrola.hr/files/4082239184.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/6415cb340ed8c724773b7ae38506d0a4/14272558012.pdfIn PDF document text
  • http://realcomfort.ru/content/upload/file/95485929225.pdfIn PDF document text
  • https://samuelben-horin.com/userfiles/file/tunupiroliguwibuzep.pdfIn PDF document text
  • https://nepalfinepashmina.com/userfiles/file/finujawizapodojagujazoj.pdfIn PDF document text
  • https://satybharat.com/ci/userfiles/files/vuzepajijubisapomutunena.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/35688172355.pdfIn PDF document text
  • http://yuanhebiotech.com/upload/files/45989657612.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=pokemon+fire+red+download+randomizerPDF 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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