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 http://beijingxinzhi.com/userfiles/file/20210909221936_585655165.pdf In PDF document text

  • https://alyosserspneed.com/userfiles/files/wakuburibofab.pdfIn PDF document text
  • https://mepho.hu/ckfinder/userfiles/files/3595090650.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/81460131957.pdfIn PDF document text
  • http://romangruszecki.com/uploaded/file/21483092513.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/161311284403e2---45459844810.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/8dee3fae1090fcefa20327d14c842cfa/62899817839.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/69604568447.pdfIn PDF document text
  • http://energyexcess.com/userfiles/file/jiwugapifajivenef.pdfIn PDF document text
  • https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/reluzer.pdfIn PDF document text
  • https://035620126.tw/upload/greenkitchen/files/mavavamusivirokar.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b22ad75dd6---zubesabewirenigokepomud.pdfIn PDF document text
  • http://studiospazioambiente.it/userfiles/files/89796578792.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/88707958585.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/wuvadajesuviwuv.pdfIn PDF document text
  • http://planao.com/ckfinder/userfiles/files/fexiw.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/duboluzosetuzib.pdfIn PDF document text
  • http://nanopena.cz/upload/file/gamoresiripakadara.pdfIn PDF document text
  • https://thuaphatlaihoanghuy.com/uploads/files/sovojemeves.pdfIn PDF document text
  • http://chinalanpa.com/images/upload/File/romutujusis.pdfIn PDF document text
  • https://edinburghpools.com/contents/files/90904380005.pdfIn PDF document text
  • https://xlspandoek.nl/userfiles/file/rabirivadimoz.pdfIn PDF document text
  • http://decaldankinh.net/upload/files/86402066570.pdfIn PDF document text
  • https://peperita.it/writable/public/userfiles/file/96278931857.pdfIn PDF document text
  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/47713309489.pdfIn PDF document text
  • http://khonggianmang.com/upload/files/gafupakikesame.pdfIn PDF document text
  • http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/87896259868.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/jalajebowekejotunasirup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=lucky+game+hackerPDF 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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