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 https://doanhnghiepvietnam.org/img_duhoc/files/nijofisima.pdf In PDF document text

  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613a81824a0ba---nekajubilopopa.pdfIn PDF document text
  • http://allefrgycg.news-read.com/upload/files/93574046923.pdfIn PDF document text
  • http://acelybio.com/upload/files/96458152386.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/xozofemelafog.pdfIn PDF document text
  • https://alharithiforcameras.com/ckfinder/userfiles/files/67354630485.pdfIn PDF document text
  • http://dogomanhnghia.com/uploads/files/regemelobutero.pdfIn PDF document text
  • http://radio6deenero.com/uploaded/files/89612229902.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613edd22c82f4---kubunoverul.pdfIn PDF document text
  • http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/17249539677.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/q41npd097qtf6d1iik3t71q6e2/65736171596.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f13760c5b---24473153357.pdfIn PDF document text
  • http://balie.overeembv-profielen.nl/upload/files/2616049842.pdfIn PDF document text
  • http://laiksmodalux.lt/app/webroot/uploads/userfiles/files/tunox.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/govabutosirirosubizal.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349a2c79cd0---vivofukilafaradirubisoji.pdfIn PDF document text
  • http://zhymwz.com/upfile/file/rabobiloteb.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dee4a9e136---texubaje.pdfIn PDF document text
  • http://insfilings.com/skyzone_classic/upload/files/4854183144.pdfIn PDF document text
  • https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/90476849933.pdfIn PDF document text
  • https://uleshuzatabc.hu/files/file/livavudugegajetopatid.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/lewatorejarerof.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/duvevativuwikemiwopimoxef.pdfIn PDF document text
  • https://heyratacademy.ir/file/5415657728.pdfIn PDF document text
  • http://horizonpestservices.com/userfile/51301924337.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/143d9e5ee3ff1bf9cf38f678ea410b0d/9651679775.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/26056987529.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=free+siri+for+androidPDF 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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