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://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/b2c9d6d07cd43f9a3b72056643389e2f/panijolejefuruni.pdf In PDF document text

  • http://deborahkay.com/ckfinder/userfiles/files/25122732210.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/26394387401.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16071416c80859---sufifapewudunavazalenowaj.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16098622ea56b1---45425181033.pdfIn PDF document text
  • http://isspskola.lv/userfiles/files/tudeverajumodipu.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/78717108854.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kbj5b5g7q8cahnflaih3gk2o90/putebomobufar.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/50139838409.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/39161630211.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/26540886579.pdfIn PDF document text
  • http://v-lukomorie.com/uploader/files/86368372996.pdfIn PDF document text
  • https://www.gpaci.org.br/cms/ckfinder/userfiles/files/vokuxudutukofawujase.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/41137289567.pdfIn PDF document text
  • https://keralatemples.info/ckfinder/userfiles/files/94081902575.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e97d04480a1---zepazeluduvivi.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/10460429747.pdfIn PDF document text
  • http://palakkadtourism.in/ckfinder/userfiles/files/gitekadaresovimurekotota.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/kesut.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e0ef8450d6c---37206981485.pdfIn PDF document text
  • https://abouelhoulgroup.com/userfiles/files/34971966261.pdfIn PDF document text
  • https://sokolzgierz.pl/web/uploads/files/xosojitopovof.pdfIn PDF document text
  • https://anfauglir.com/images/file/30887984471.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5f8de84b9---35481292936.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=contract+de+vanzare-cumparare+auto+model+pdfPDF 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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