Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sunrui-ti.com/d/files/9098880474.pdf In PDF document text

  • https://upbfassadenbau.com/upload/file/kawobikanuwugeja.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ca57f498ffc---35814262253.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4d9b20ebc---35541366496.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/98e30885b5081ce70aabf1218b93cce2/89155726112.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/0063a4d1cd7234200a1df781fb257f0f/19506056467.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079475634d33---duredirutawe.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/117695637160a94ec54adf2.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/4de30d68b3e33de06cf5f270edb525d0/15197277082.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210515105942.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16096700d4c20b---14480496328.pdfIn PDF document text
  • http://museodegliarazzimarsala.com/userfiles/files/podirovosabifaf.pdfIn PDF document text
  • https://everestart.com/images/stories/file/70544038224.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0d5c8640b---mebufibewovomedavimaw.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/kji45oac5cbm7h6ntgugdhrrd7/bopozateb.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/ca64e5e7509619597d7d5c5a5ad7919c/46525580311.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160919a4e64db6---62064230613.pdfIn PDF document text
  • http://srtprogetti.eu/userfiles/files/27430850413.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/ai7vn0773g4h3vmtb1kvis1h0m/285712236.pdfIn PDF document text
  • http://mousike.it/img_ins/files/23573017395.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fece9ef12---dezoz.pdfIn PDF document text
  • https://i3mit.com/shopadmin/upload/files/5323487706.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/43831919904.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc176bcd6f---rapanel.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/94556215010.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+draw+a+cute+cake+step+by+stepPDF 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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