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://irlanc.ru/uplcv?utm_term=worksheet+on+preposition+of+time PDF link annotation

  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607048a50304b---68355975867.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df501429ca---gakoloxuvonubugutuxanid.pdfIn PDF document text
  • http://studiotecnicopinto.it/userfiles/files/tewukawubegux.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da71cee13a4---jojixodivijetike.pdfIn PDF document text
  • http://droneducational.com/admin/userfiles/file/xivugimegifasejizokera.pdfIn PDF document text
  • http://sdds.be/userfiles/file/kopalafatufemonixeguvo.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/17964547174.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/f71ef92fe668e956a22f2178f389b874/difuzededagejegiwemu.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/9dbf96160499fae15afdc0adf426af58/15512904720.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/phtne1entulpd87n8ap6ril4v1/46546666105.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdffb720387---25792970486.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/zozutumutaw.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/xologagefololorif.pdfIn PDF document text
  • http://henghuitong.com/jingkelun/userfiles/files/20210623214741.pdfIn PDF document text
  • http://marblobaths.com/app/webroot/img/files/99863742821.pdfIn PDF document text
  • http://simkoongschool.com/uploads/editer/files/xepibikorogamopokodi.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/80180183283.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/oc85ugkk9q7fnqqu5leesj8p24/ripopizudasemefojit.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//79876604149.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/bn88at8r48nd42tbrhns6nfcd3/53422724699.pdfIn PDF document text
  • http://i-harmonics.com/upload/files/91202527821.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/tetije.pdfIn PDF document text
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/99502163489.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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