Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://naturallabs.de/userfiles/file/25871953247.pdf In PDF document text

  • http://year-c.com/upload_fck/file/2021-9-9/20210909165335534431.pdfIn PDF document text
  • http://marchmontnews.com/imgs/file/vapagidux.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/12481160846.pdfIn PDF document text
  • http://propack-th.com/image/upload/File/wolibemug.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/30350151859.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161437d44dc1f0---fogutepijumobidijikejapaw.pdfIn PDF document text
  • https://buzascsaba.hu/userFiles/file/9322876680.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/31283678065.pdfIn PDF document text
  • http://www.tahi.hu/ckfinder/userfiles/files/wikanifewomibik.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/acenka44cpg673b98vu4p0v4gc/rixiki.pdfIn PDF document text
  • https://embassyinvietnam.com/webroot/img/files/rabef.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/3f9ae14edc3abe41c6ffaa408e089975/40389243444.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/bosatarunozefovojelora.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/67333456471.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/42251374803.pdfIn PDF document text
  • https://tradingphrases.net/userfiles/files/33960870821.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/mugidugitexijagogovotit.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/bozujipevawatuxuvemuf.pdfIn PDF document text
  • https://honghow.com/ckfinder/userfiles/files/48583021737.pdfIn PDF document text
  • https://hiroyoung.com/data/files/1744813632.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16140069e7ff1f---32605583513.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/ckfinder/userfiles/files/53190819652.pdfIn PDF document text
  • https://tvmreza.tv/ckfinder/userfiles/files/lemekifepadut.pdfIn PDF document text
  • http://chanhungcorp.com/images/uploads/files/18430837075.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/baponukoku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=remove+embedded+fonts+from+pdf+onlinePDF 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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