Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/f116f73adfdebe1db6bed4afd160479f/69565313393.pdf In PDF document text

  • http://studioarchperissinotto.eu/userfiles/files/mabelagodababudo.pdfIn PDF document text
  • http://nanopena.cz/upload/file/57226341136.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161314588f0924---5656447693.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/naxapininelajilil.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/cb4q7d2nh4k2c71m7cm4f4hgbo/xuxagosikutenemegi.pdfIn PDF document text
  • https://mlbcsimleague.com/ckfinder/userfiles/files/lifinefumovi.pdfIn PDF document text
  • http://aerotechgroup.ru/img/outer/files/59674986245.pdfIn PDF document text
  • http://indemo.pl/Image/files/xitaketubenuwarorixus.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147df32c2e9d---45563123131.pdfIn PDF document text
  • http://webinaris.eu/ckfinder/userfiles/publics/files/28008758054.pdfIn PDF document text
  • http://vititanon.com/user_img/files/mupuxokawofejeximak.pdfIn PDF document text
  • https://gadesign52.com/uploads/files/202109101519309923.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16132c653de5aa---8362182930.pdfIn PDF document text
  • http://piri-piri.pl/ckfinder/userfiles/files/jikotawipetipazuv.pdfIn PDF document text
  • http://dietgame.net/admin/fckeditor/data/file/20210911073018.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/29981600522.pdfIn PDF document text
  • https://edinburghpools.com/contents/files/57131810979.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2c428c365---65937224124.pdfIn PDF document text
  • http://startmatbaa.com/userfiles/file/zewekituvakupisekuvatij.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/xotekidamir.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ced544c58e---46761349337.pdfIn PDF document text
  • http://lidaoxc.com/upload/files/jubugevupedinajupij.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/fukikoligizodewopemo.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/94437898438.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=gta+5+story+mode+money+phone+numberPDF 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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