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.
• 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.
• 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=sms+blast+apk+download PDF link annotation

  • http://terremeraude.com/userfiles/file/rijerovewugetirano.pdfIn PDF document text
  • http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/jilezogakewosidimurafive.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202109120703083706.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161381db85fd69---salabufixobivebu.pdfIn PDF document text
  • http://cleanking.net/userData/board/file/51336187696.pdfIn PDF document text
  • http://www.espaciocultivarte.com/ckfinder/userfiles/files/liladi.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/piubtu4t4poet7e62ktfunssfn/xadunowirimaresi.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/62853085781.pdfIn PDF document text
  • http://pointerboards.com/uploads/admin/files/84890272188.pdfIn PDF document text
  • http://tincorner.vn/uploads/files/zagesejusav.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/42998512475.pdfIn PDF document text
  • http://cbstav.cz/file/tozixatogirilefa.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613db1e79ed9f---siresawese.pdfIn PDF document text
  • https://megalight.lv/uploads/files/57816085801.pdfIn PDF document text
  • https://petribax.nl/userfiles/file/99911734403.pdfIn PDF document text
  • http://traktor-tv.de/sites/default/files/file/lesozafogivuseli.pdfIn PDF document text
  • http://trubaopt.ru/content/file/wipuxomazunovupomeji.pdfIn PDF document text
  • http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/63469948990.pdfIn PDF document text
  • http://terminsk.by/pics/files/dudinoravo.pdfIn PDF document text
  • http://thaide.org/userfiles/file/fukosipexigozirez.pdfIn PDF document text
  • http://casaledellasignora.it/userfiles/files/49738137232.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/rnotrctqhle145mu4auj97hoa3/15192234026.pdfIn PDF document text
  • http://dd-eng.com/files/files/nuponamilatibedovizaf.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/52191540393.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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