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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://inwebjor.ru/uplcv?utm_term=watch+central+intelligence+123 PDF link annotation

  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1614304d09308c---89611135762.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161374c2d8eb2e---78603583121.pdfIn PDF document text
  • https://estatecambodia.com/htdocs/cljr/data/files/36394277591.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/jabaxasizelaje.pdfIn PDF document text
  • http://op-gold.com/ck_image/files/30146987141.pdfIn PDF document text
  • https://locktactyuma.com/ckfinder/userfiles/files/zuvukinoxujowuligamuzibub.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/93452616494.pdfIn PDF document text
  • http://heathrowairporttaxi.website/userfiles/file/39176018946.pdfIn PDF document text
  • https://998.geektic.com/geektic/files/kukudipupituzobusateg.pdfIn PDF document text
  • http://avandcie-energy.com/ckfinder/userfiles/files/45540517320.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/51a55bdf726ceb728bbd94bdf1eea1a7/92187443359.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b006da5864---ribewiruwon.pdfIn PDF document text
  • http://viettruss.com/upload/file/rijula.pdfIn PDF document text
  • https://reviewz.eu/app/webroot/files/userfiles/files/mojixo.pdfIn PDF document text
  • http://inkjetartandimage.com/Uploads/file/38459693028.pdfIn PDF document text
  • http://labellebeaute.com.hk/ckfinder/userfiles/files/39666681356.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/6kle9gc867tum9ak9q4ufl77cl/tafozazaderuvuxuri.pdfIn PDF document text
  • http://alles-vom-schreiner.de/userfiles/file/rewosiposanozuzixamemilu.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/29878305923.pdfIn PDF document text
  • https://myagenda.myagenda.cz/pictures/editor/files/releserudogefuzisusa.pdfIn PDF document text
  • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/71762839963.pdfIn PDF document text
  • http://harnettcountyhba.com/userfiles/file/86982830005.pdfIn PDF document text
  • https://habibitours.com/ckfinder/userfiles/files/61623535402.pdfIn PDF document text
  • http://hai-bi.com/uploads/files/202109180354337793.pdfIn PDF document text
  • 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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