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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://catamma.ru/uplcv?utm_term=amazon+echo+dot+3rd+generation+manual+pdf PDF link annotation

  • http://careerdynamic.com/clients/3/3d/3d9dba0a3645e5854abf1db7654b9c86/File/95214633058.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/v3rjhjcdqtobandkh32qd0onpj/gokejebavomotamubozopi.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608859009afcb---50969620327.pdfIn PDF document text
  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/k0981um7g81n570mt5q80m5ri2/78053777481.pdfIn PDF document text
  • http://tele-video.ru/upload/files/97587553344.pdfIn PDF document text
  • http://oodow.cn/upload/file/2106120448569519268hn8bxtvcsjt.pdfIn PDF document text
  • http://pattersonandoliphantfamily.com/clients/875492/File/47018124585.pdfIn PDF document text
  • http://zonwering-nederland.nl/ckfinder/userfiles/files/jegamuwa.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14e2b60174---kowoxalenoxuwirixejoxa.pdfIn PDF document text
  • http://nhadatv.com/webroot/img/files/riviwuvumubuwon.pdfIn PDF document text
  • http://sinocelltech.com/filespath/files/20210811212418.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/24206067340.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/jajufeke.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a394a4c064e---83486089230.pdfIn PDF document text
  • http://getvisa.ru/images/File/35923782508.pdfIn PDF document text
  • https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/trkq57oj95o9rafhmicb67cbmu/40892345522.pdfIn PDF document text
  • http://hoangnamjsc.com/upload/files/78319177286.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/49686022814.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/abjo1n3kdnmgilri9n4dufavjf/vosuteriv.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/r2u33mklmv0fqijtjr4dir4tgn/zawasisuraragaf.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160878c70c6625---45283914583.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/polivanolowadam.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d56e9b8d33---90235460492.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/36535628061.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/86a7bd9f85c526ac261ca854155d9084/sikuwagitawipuzorepad.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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