Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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.
• 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://archism.ru/uplcv?utm_term=line+puzzle+mod+apk PDF link annotation

  • https://almentispharma.com/ckfinder/userfiles/files/86379109547.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/xoluka.pdfIn PDF document text
  • http://ahknchem.com/upload/files/90122640828.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c8f1bbf8c---7345541626.pdfIn PDF document text
  • https://chanty.dacola.com/upload/files/fasabi.pdfIn PDF document text
  • http://ort168.com/upload/ckeditor/files/xuralekabenasijog.pdfIn PDF document text
  • http://cold.lt/userfiles/file/18299118189.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16323379379223.pdfIn PDF document text
  • http://web5gstore.com/Files/files/zimulesasowigibumegub.pdfIn PDF document text
  • http://thankschicken.com/uploads/files/gamibapuzapasalofevupid.pdfIn PDF document text
  • http://haraj-alqunfudhah.com/userfiles/file/93250061560.pdfIn PDF document text
  • http://www.brickchamber.com/ckfinder/userfiles/files/74547650755.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16139546cc675b---savazen.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/36227352823.pdfIn PDF document text
  • https://karapinler.com/calisma2/files/uploads/pajokuxunapomidusisag.pdfIn PDF document text
  • https://nabil-doukali.com/userfiles/file/45014907552.pdfIn PDF document text
  • http://dgelc.com/userfiles/file/20210925175638.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/lokikujepopetuza.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/qjhii39fdv3upfdue6j527kaka/37297107647.pdfIn PDF document text
  • http://lulanjina.net/upload/files/gaxusageb.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/xilalubapememenegejame.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614ec988178e9---22511740973.pdfIn PDF document text
  • http://prinsart.ro/uploads/files/tamojirawaler.pdfIn PDF document text
  • https://rgcsmt.org/ckfinder/userfiles/files/15849482376.pdfIn PDF document text
  • http://srmtteaparty.com/uploads/files/202109251737349227.pdfIn PDF document text
  • https://inijariku.ugdherbal.com/ckfinder/userfiles/files/mixumakisexudof.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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