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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://carmelocuritiba.com.br/ckfinder/userfiles/files/nisukevabunexezuvogis.pdf In PDF document text

  • https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/kupobajikevawenikabilaf.pdfIn PDF document text
  • http://polipack.ru/content/file/setefanabukozozina.pdfIn PDF document text
  • https://aneri12.eu/res/file/wazixulowesapugusugeni.pdfIn PDF document text
  • http://galluccifaibano.com/userfiles/file/23174182336.pdfIn PDF document text
  • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/50702133308.pdfIn PDF document text
  • http://sampoernastrategic.com/uploads/image/files/94878996502.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16138f2c43b34a---47036048438.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/tulavejapalixuniwum.pdfIn PDF document text
  • http://urgentcarepb.com/userfiles/file/tovoduwekaka.pdfIn PDF document text
  • http://chemonova.com/FCKeditor/file/lewusunurovukekika.pdfIn PDF document text
  • http://novelinternationalschool.com/ckfinder/userfiles/files/64670492727.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/29ichiqpg3osgc7tqmmcmdi04i/nujofekirivilewutizanuwi.pdfIn PDF document text
  • https://dycmc.com/DATA/upload/files/202109080944511588.pdfIn PDF document text
  • http://tageedesign.com/ssmpt/documents/file/88587085638.pdfIn macro / runtime command snippet
  • https://vanvoorst.info/uploaded/file/tixitevunamejetumumunow.pdfIn macro / runtime command snippet
  • http://yilbasipromosyonu.com/userfiles/file/43282875339.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebf18dfa20---tujonemo.pdfIn PDF document text
  • https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/zigopokeduwabodosixi.pdfIn PDF document text
  • https://masukpt2.com/contents/files/pakifagusimewejuwirat.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/munajisemabupofekoda.pdfIn PDF document text
  • http://romangruszecki.com/uploaded/file/galogevukazewasomaxepavo.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/45587821579.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/wizomexigu.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/rucr44hs51qdb906sl36v250s4/35427957301.pdfIn PDF document text
  • https://dycmc.com/DATA/In macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=tft+mod+apkPDF 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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