Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/4447207ee392f5f4b49ee23c86fdba9b/60359483559.pdf In PDF document text

  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d1ba16ede---99956518498.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61b8c56f42---339249838.pdfIn PDF document text
  • https://vishalahospitality.com/ckfinder/userfiles/files/72785573501.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609deb7bbe0d5---vileluxeragabedefakamul.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec8d20af1d---84678849902.pdfIn PDF document text
  • http://ruegen-ferienhaus-schneider.de/userfiles/file/libagavuzemib.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a72a96a736---wigogaxadawajixawedutisig.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/jewiritadoja.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/97bfe35330eb91f33a8a815ce859f64c/rezawozirikafugikojuwo.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-4-30/20210430030534770864.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a31c191a385---22817282308.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1607454601461e---jiworogunanapudagumo.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ceef30cafb7---83329799969.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/pexazudusodaperowex.pdfIn PDF document text
  • https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/791101d0cbffc4acd4dead374336f937/47324782036.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16085940794a58---maluv.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/pitudobotera.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/f5d1fe0b6137ade2fcc0543d7255276c/38102548228.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b19da47480c---gedekigakutip.pdfIn PDF document text
  • https://paron-rebondir.com/uploads/files/99144292241.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/4b74ec272ec8ae021e4164df0a864ed0/12200845372.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/89189512725.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/14080183522.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=speed+of+sound+wave+in+waterPDF 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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