Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://synerhu.ru/uplcv?utm_term=assassin%27s+creed+identity+free+download+for+android PDF link annotation

  • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/62686973456.pdfIn PDF document text
  • http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46491265668.pdfIn PDF document text
  • http://www.mustwalge.ee/data/content/files/perizusekixipowazexo.pdfIn PDF document text
  • https://futurefacesnyc.com/uploads/file/57203507435.pdfIn PDF document text
  • https://kawanmto.org/contents/files/29120542455.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/12715327743.pdfIn PDF document text
  • http://esteel.my/userfiles/file/48883867946.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/dc4a76ac11bb047d57588928deb878a0/45835034510.pdfIn PDF document text
  • http://itcbeautytrainingschool.com/userfiles/file/jozabazufutopab.pdfIn PDF document text
  • http://sarljarry.com/userfiles/file/19838323088.pdfIn PDF document text
  • http://neoclassicalmansions.com/uplds/file/95583502252.pdfIn PDF document text
  • http://prtourusa.com/FileData/ckfinder/files/20210906_FE9CAA6B50128C0C.pdfIn PDF document text
  • http://speakingaboutnetworking.com/ckfinder/userfiles/files/fozuduwisizaxazu.pdfIn PDF document text
  • http://toshiteriyakiburien.com/uploads/files/40343362783.pdfIn PDF document text
  • https://hkparkkonutlari.com/image/files/gegekotabujadipixize.pdfIn PDF document text
  • https://sikanderajam.com/Robinson/ckfinder/userfiles/files/dexipixunijiromaloriz.pdfIn PDF document text
  • https://chuyennhakienvangvn.net/upload/files/17176935654.pdfIn PDF document text
  • https://nieruchomosciprzetargi.pl/files/file/10124381236.pdfIn PDF document text
  • http://efuturesthai.com/uploads/file/pefosedebi.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/93381107910.pdfIn PDF document text
  • https://agriplan-rs.com/dados/ckfinder/files/49258538816.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/52915ee5f1ad5468c00c5dce97f4c64d/50215109348.pdfIn PDF document text
  • https://interference.ajoda.eu/userfiles/files/josatuxegugimikovel.pdfIn PDF document text
  • http://luyenthidhcanhsat.com/Images_upload/files/nimutujexoli.pdfIn PDF document text
  • http://archiprojektai.lt/app/webroot/uploads/userfiles/files/79483982445.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136f45391abb---34180011092.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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