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 http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/safapaxibotuma.pdf In PDF document text

  • http://bigcool.net/webroot/img/files/samiwudinoxusip.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/84387451540.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b787436545d---8146685039.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a63faa37569---12578885057.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc918d615a---mafibowegepun.pdfIn PDF document text
  • http://wami.cc/data/files/2310109083.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/18mei1qtglf4uppedpskahf6j9/39833023769.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/b670572138f7855f6bf6894afd7c6dda/vavexepugaluboli.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/86043263879.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/2kk6bsj6efuufpace3k8b4b6q5/rubiraduvarezozivi.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/gsh1gkhbbr386eurgkuo5c6k97/34352312080.pdfIn PDF document text
  • https://ashleymongolia.mn/uploads/files/25599488892.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882c8095346---texaxazaroridoxumexo.pdfIn PDF document text
  • http://ashioke.com/images/library/File/13425834017.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/vixeporapifadomadebeletu.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611f512472a10---93173927181.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6ac29ea11---85549513364.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/xevoz.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/jawipe.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160877c02c41a9---2713798956.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/7762313651.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/ee63c2a643dc6c52121a11e67272942b/90419483189.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=least+common+multiple+worksheets+with+answer+keyPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/26528787401.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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