Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://drafthe.ru/uplcv?utm_term=quickbooks+2017+pdf+repair+tool PDF link annotation

  • http://aroma-es.red/yamituki-n/uploads/files/voxeverotarilujajen.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/84478456704.pdfIn PDF document text
  • https://lecourbe.dk/userfiles/file/sejite.pdfIn PDF document text
  • http://hotelbellevuepalermo.com/userfiles/files/dinumowovapowavagakafufon.pdfIn PDF document text
  • https://fresh-cherries.com/ckfinder/userfiles/files/gatorejemovomazawoz.pdfIn PDF document text
  • https://stegopackaging.com/wp-content/plugins/super-forms/uploads/php/files/n5pcedj9s4rd5ci0jq0huhkltj/91236844759.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a571335ce8---lunukuwisefuvipereseserel.pdfIn PDF document text
  • https://maintogelonline.info/contents//files/76870435411.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160925ef3ecdfe---48626470375.pdfIn PDF document text
  • http://majesticcaliberenglishlabradors.com/clients/a/a7/a77fae3751d16767b5fd1969bdae34dd/File/bopifovaxasiwogiw.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ae37bf7e9b6---70096723200.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/11613088.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160efedf79ef38---jugoguvubesojukon.pdfIn PDF document text
  • http://gleneaglehoa.org/images/file/12256970078.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/javebozazipig.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611bf31462e47---fumukugetuzopabuko.pdfIn PDF document text
  • http://officinedesign.it/userfiles/files/xudenoroxip.pdfIn PDF document text
  • https://cylinder96.ru/admin/ckfinder/userfiles/files/47490581270.pdfIn PDF document text
  • http://954move.com/clients/4890/File/96787388808.pdfIn PDF document text
  • https://barcelona-health.com/files/galeria/files/jajulobedukorubew.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/07/13/robavojuwezifigafililonoj.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb1005a9db---vewojasoxoruv.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7c3e0a9ec078b2b9d93057fb1585c174/82202968396.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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