Malicious PDF — malware analysis report

Heuristics 9

• 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
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 https://tainandentist.com/uploads/files/202109010609591035.pdf In PDF document text

  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/d98473d8e77eb6f18deb957c9d2f1d41/4680971838.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/tugadibiko.pdfIn PDF document text
  • https://giasidaily.com/uploads/userfiles/file/suvisufonepifud.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/jivomogu.pdfIn PDF document text
  • http://thuocamakong.net/userfiles/image/file/74482190036.pdfIn PDF document text
  • http://ecilingirler.com/resimler/files/92858268323.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351de9f20a9---kivojalimowoxexago.pdfIn PDF document text
  • http://puebloexec.com/userfiles/file/midezebanebabumibe.pdfIn PDF document text
  • https://inprovitpuertorico.com/ckfinder/userfiles/files/45725056644.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/4055736724.pdfIn PDF document text
  • http://santehnika34.ru/images/file/xesilokogijasosemutet.pdfIn PDF document text
  • http://myapartment.de/web/editor/files/gemilukulula.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5c496b0fb---kibomowogobusur.pdfIn PDF document text
  • http://articolo17.it/siti/usr/foto/files/davexulapewuvivadujejosek.pdfIn PDF document text
  • https://rovetco.com/userfiles/file/jurebejanusiva.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/30677771471.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5d9797e3d---28192123410.pdfIn PDF document text
  • http://helenhotel.vn/upload/files/guvavujigemojifajux.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/velifuferuliva.pdfIn PDF document text
  • http://pretaporter-pegah.com/userfiles/file/8727987531.pdfIn PDF document text
  • http://www.pacautomarketing.com/file/pitemimadelelav.pdfIn PDF document text
  • https://tuinvandecruys.be/file/82486273418.pdfIn PDF document text
  • http://web-news.eu/www/pkpar/userfiles/file/71052992967.pdfIn PDF document text
  • https://webrobogo.hu/kepek/gibugotinuran.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=windows+control+androidPDF 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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