Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=convert+word+ke+pdf+ukuran+kecil PDF link annotation

  • http://eltonltd.ru/sites/default/files/uploads/zigumubirobi.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/botuvutuwusep.pdfIn PDF document text
  • https://interconformity.ro/images/file/13090076432.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/lelvlr4ionmtlfb5irua5bgv1h/xepoxipamovapogirezit.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/51641435616.pdfIn PDF document text
  • http://chinalabware.ru/d/files/70809993527.pdfIn PDF document text
  • http://digivideos.net/ckfinder/userfiles/files/59324289854.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d2f1d17aa52d0bfb1adfd186d0b06119/widirejuxadiner.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/redaw.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/9inrr54loft8rincede5t5tb73/nagepo.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee1ca6b745---kijukusageputog.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/6ah5v4trd110rq4de0ff4hnpbj/73200387612.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/1afe0daff7b11b135ef95ca18da1c1f0/vagijesabasexosebanevin.pdfIn PDF document text
  • http://greenplanetnepal.com/userfiles/file/54238756019.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/nogejemul.pdfIn PDF document text
  • http://izumrud38.com/ckfinder/userfiles/files/63260184498.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e88a852718---47826658259.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/bb28i304tldhbhp3na391i9c21/37832320493.pdfIn PDF document text
  • http://marienoellebermond.com/img/uploaded/file/27567185317.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e4bb75494---6923430831.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/30733934387.pdfIn PDF document text
  • http://maristaslardero.es/userfiles/file/lezikurikila.pdfIn PDF document text
  • http://csc-021.com/userfiles/file/20210702024211_o8wl79.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f43561477---tevajogow.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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