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 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.
• 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://chcial.ru/uplcv?utm_term=download+apk+basara+2+heroes PDF link annotation

  • https://sunsoftinfoway.net/ckfinder/userfiles/files/jorenojaguvazutizilomag.pdfIn PDF document text
  • http://pm-property.pl/userfiles/file/miwuruwukoluwajawezi.pdfIn PDF document text
  • https://topupdana.com/contents/files/68668542262.pdfIn PDF document text
  • http://ageofwonders.buka.ru/sadm_files/33966688030.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/32819249922.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/97795969741.pdfIn PDF document text
  • http://uniondrygoods.com/fckeditor/userfiles/file/kumudulapazijuxi.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4150e1a98---miwaxexas.pdfIn PDF document text
  • http://xlpe.net/Images_upload/files/garabuxuwubuvugel.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/sokiji.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16131f6dc03c29---dovokok.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/jarivekunidip.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/96987959101.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/614536aa1f4ab.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210903101805.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16139845771319---vixugodatevofadesitulo.pdfIn PDF document text
  • http://lianbang123.com/uploads/files/202109060921315742.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/wefoduzufidolulisixem.pdfIn PDF document text
  • http://mylodge-naoshima.com/52074225577.pdfIn PDF document text
  • http://inspiredindianfoundation.org/uploads/556315692.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/49e5c750e78fc4ec6b189b4352a72bb6/39556133096.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/82469319367.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/f4da45f024cdd9ad4496b3f6c4acd347/gevoba.pdfIn PDF document text
  • http://stroyindustry.com/userfiles/file/26042894028.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613508a77e2b3---61778945865.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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