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.
• 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.
• 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://cructi.ru/uplcv?utm_term=lego+star+wars+tcs+apk PDF link annotation

  • http://tjsyjdq.com/v15/Upload/file/202192155721240.pdfIn PDF document text
  • https://mycocoa.org/images/upload/files/baderewasebapijirituwi.pdfIn PDF document text
  • http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/24633051586.pdfIn PDF document text
  • http://toanlinh.vn/upload/files/70191020214.pdfIn PDF document text
  • http://xn--80aafjbawrcdgsodbdciig4a5v.xn--p1ai/pict/file/gunukolagizer.pdfIn PDF document text
  • http://minhquoc.vn/ckfinder/userfiles/files/zimupepuku.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210908_25AE0FC0C9B4D5E1.pdfIn PDF document text
  • http://kossuthdigisuli.hu/userfiles/file/10444106234.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/63689396029.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/givaserolikevidorepi.pdfIn PDF document text
  • https://dolphinsolutions.net/ckfinder/userfiles/files/jagozirowuvawetasazolumog.pdfIn PDF document text
  • http://canavesiobruno-architetti.it/userfiles/files/baxisan.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-09-02/images/files/8515946695.pdfIn PDF document text
  • http://vecsecity.info/editor_up/motaka.pdfIn PDF document text
  • http://www.egymast-segito.hu/uploaded/fck/file/678565388.pdfIn PDF document text
  • http://autohondl.cz/userfiles/file/85983580522.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__61374F47D6B28.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/25755469921.pdfIn PDF document text
  • https://artenika.pl/fck/file/24850462972.pdfIn PDF document text
  • http://managhantasala.net/mailuserfiles/file/74497683807.pdfIn PDF document text
  • https://isigakizima.net/img/tmp/file/28363385672.pdfIn PDF document text
  • http://inimtrento.it/userfiles/files/74731844813.pdfIn PDF document text
  • http://slbreakingnews.com/ckfinder/userfiles/files/litufo.pdfIn PDF document text
  • https://synersys.fr/contenu/file/zibifidawexav.pdfIn PDF document text
  • http://www.cpiequipos.com/assets/images/user_files/files/89550905495.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/36157713216.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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