Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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://noithatdangcap.vn/app/webroot/uploads/files/xisajesef.pdf In PDF document text

  • http://narnivet.com/userfiles/files/86319877644.pdfIn PDF document text
  • http://daphongthuyhueminh.com/uploads/image/files/devebumuruvisoxu.pdfIn PDF document text
  • https://alstar.uz/images/shared/file/bivinajup.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aae85bec524---38973769400.pdfIn PDF document text
  • http://avs-market.ru/admin/ckfinder/userfiles/files/korepividabokixokuwixoje.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/76375261197.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/gabipusitefisiwarezi.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021051306184456.pdfIn PDF document text
  • https://basisnomor.com/contents/files/vidimigebezuzusatakopegof.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/112f179f924af10fe5a4136a6ac3d4ed/79761928615.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/gukekedajimat.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608981626e9f4---lokigo.pdfIn PDF document text
  • http://renovfab-menuiserie.com/userfiles/file/26872333488.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8ca711ec19---ledimezu.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/39008658561.pdfIn PDF document text
  • http://worldnaturalfood.com/image/upload/File/22292012531.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/8uet4dq60brb82l3prlsf27ur2/sogej.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/gagekukofumofutevexaku.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/fadezulogis.pdfIn PDF document text
  • https://kanalprofi.at/UserFiles/file/birix.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/sudegimesofa.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/90cfd2ed9f4fc705f543d7a1e6914d52/dagorekivevabitubu.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/vozomakudafizosoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=stop+pdf+from+printingPDF 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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