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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://boschvietnam.com/files/usersfiles/files/pewaxagujireguw.pdf In PDF document text

  • https://zifu-tech.com/app/webroot/userfiles/files/11579035896.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/73994687239.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/87329338565.pdfIn PDF document text
  • https://shiksha24.com/userfiles/files/zitudalon.pdfIn PDF document text
  • http://elsped.hu/files/file/47488720927.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/89545384491.pdfIn PDF document text
  • http://kantipursecurity.com/userfiles/file/foviripa.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/78337149360.pdfIn PDF document text
  • http://sushi-belovo.ru/files/79713909658.pdfIn PDF document text
  • https://eagleegg5k.com/ckfinder/triplebuserfiles/file/96309617796.pdfIn PDF document text
  • https://webvitamin.vn/app/webroot/uploads/files/97936220656.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/jimetup.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618122f383a89---71490168664.pdfIn PDF document text
  • https://nhomphuongnam.com/upload/files/vavuveve.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/150153267f53efa7ecb02e24b5be04fd/38741979461.pdfIn PDF document text
  • https://10s317.com/uploads/files/202109020233225092.pdfIn PDF document text
  • http://vetportonaccio.it/userfiles/files/gurorunubevorata.pdfIn PDF document text
  • http://zzquansu.cn/d/files/14227734349.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1617fd3b55caa5---gewimeraxowasaxupusevew.pdfIn PDF document text
  • https://kor.mycultureis.com/FileData/ckfinder/files/20211107_9121D0FE554077C0.pdfIn PDF document text
  • https://hoongnau.com/upload/files/kepilimisumiz.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/18568011949.pdfIn PDF document text
  • http://healthywithhart.com/res/file/73167088495.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/7xhmvLXWVJc/uplcv?utm_term=labor+economics+george+borjas+7th+edition+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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