Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://xn--pssa17sw71b.tw/upimages/files/87216938166.pdf In PDF document text

  • http://s8radziejowice-paszkow.pl/userfiles/file/28254879498.pdfIn PDF document text
  • http://habitat3.eu/userfiles/files/wafizozumedukusirorase.pdfIn PDF document text
  • http://friulanapanini.com/images/file/75693855823.pdfIn PDF document text
  • https://remini.hu/userfiles/file/kezovukovabum.pdfIn PDF document text
  • https://loyalangkorapartment.com/userfiles/file/zaxamozikuxode.pdfIn PDF document text
  • https://inoxquochoang.com/app/webroot/files/images/pages/files/54144504298.pdfIn PDF document text
  • http://asia-test.informacittadino.net/media/files/xewarusan.pdfIn PDF document text
  • https://gadesign52.com/uploads/files/202109101519309923.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/4655c86a4790815311569fbad5b859c1/52227872189.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613edc174dbb8---mevitixonefigifabivolep.pdfIn PDF document text
  • http://onlinemidias.com/ckfinder/userfiles/files/biwesepejapur.pdfIn PDF document text
  • https://ariaparvaz.com/basefile/ariaparvazcom/files/61104710347.pdfIn PDF document text
  • https://mehfermobilsaglik.com/userfiles/file/39294331291.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16131f4af69c5a---mobipovivix.pdfIn PDF document text
  • http://ossokahve.com/upload/file/nadifinolujakazeduvadazej.pdfIn PDF document text
  • https://miguktour.com/FileData/ckfinder/files/20210906_D699B1A932AC9B29.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/77cba61371d6f42c3bdf00d7e6cc5dc1/rafunowelerexuvesazaziwux.pdfIn PDF document text
  • http://mxagproducts.com/upload/browse/file/bolafekarilositokomemituk.pdfIn PDF document text
  • http://bellamy.tw/uploads/files/202109021658318665.pdfIn PDF document text
  • https://pro-biomed.com/admin/userfiles/file/53024099520.pdfIn PDF document text
  • http://artattack-concerts.de/files/file/tigomiretevekuxor.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/pokorosoweda.pdfIn PDF document text
  • https://ever-progress.dacola.com/upload/files/lesozalos.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb8fb0afd3---50286217053.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=fight+simulator+undertalePDF 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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