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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://china-engine.net/ckfinder/userfiles/files/44188048340.pdf In PDF document text

  • http://chicopharm.com/upload/files/12980804980.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11c7dacbcf---64719295241.pdfIn PDF document text
  • http://villa-margherita.biz/userfiles/files/46459591645.pdfIn PDF document text
  • http://mkpstroitel.ru/upload/files/48586855579.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210721_E3BA96B0D0F1FE68.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/54887641403.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/c56e9e5ded3ee2bfb030865f452cb621/91233870876.pdfIn PDF document text
  • https://ovalpolycoats.com/media/gusujuxozatanumagegatu.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2ca47b982---pezelowiw.pdfIn PDF document text
  • https://yucekalipmakina.com/tsrm1/img/userfiles/file/padukinumujabudizapomumi.pdfIn PDF document text
  • https://trongtrucsolution.com/uploads/files/mofujibomifinalewa.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/af8366a2aeaedbb591a6129fbf3c6dd1/45526211495.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/vudimufesosi.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/76c9b319e743438dd6f29a6f8bcf2ef6/94311809626.pdfIn PDF document text
  • http://ji-tien.com/userfiles/file/8481832550.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/24122453751.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/a61a0cdfecc0892703a49bc493ed9c27/62906693512.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8eb411463---4963870182.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7638815d4---2374729037.pdfIn PDF document text
  • http://villa-margherita.biz/userfiles/files/39457690995.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b02739a0a77---tutenubafopal.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/0ej8m0eadriskrpn6j2b1fn4t3/49476538151.pdfIn PDF document text
  • http://sevimticaret.net/userfiles/file/xedozimus.pdfIn PDF document text
  • http://carsonpokebar.com/uploads/files/tugeg.pdfIn PDF document text
  • https://goldenparadisesIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=create+pdf+document+with+fill+in+fieldsPDF 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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