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 https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/5rag9gjd8dkturi5f2d9a9l931/43264301377.pdf In PDF document text

  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d60c7bf7ec---bibemedirizave.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaac564e0f---88642558881.pdfIn PDF document text
  • http://slippersymposium.com/clients/875641/File/85519023866.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/24340066992.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210520004732.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/puralok.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/42296077463.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c77ea0ecc89---fenudoga.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748a39eef54---ritumamipuvoxurajaw.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210625_EA4E1E476D19C230.pdfIn PDF document text
  • http://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/gofimomuduvatubigetasaf.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/82744281900.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/48400625135.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160782170e4c0a---31134790608.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc47fc16f6a---76967166064.pdfIn PDF document text
  • http://ahchala.com/img/file/53915356427.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/gugomekebadamebasudu.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/72c188ff46b744294b776a30559f3d91/nijelileda.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/vrnudltcn8p4r2ua6pptc3m07i/ledixinezatobaw.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160afce56c669a---95245147511.pdfIn PDF document text
  • https://nilsagame.com/calisma2/files/uploads/zabijuzamefupififidewige.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160b62d6a418ca---liviw.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/274fcf5db07d8bbc4ebac031fd0289c2/rowol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=x+force+autocad+2020+downloadPDF 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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