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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://congchungnguyenlieu.vnpec.xyz/uploads/files/nawufomowufebafutiga.pdf In PDF document text

  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/901d46f9fddaad2925ace8a8209d89eb/76613002290.pdfIn PDF document text
  • http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/69055982604.pdfIn PDF document text
  • http://craftland.de/res/wysiwyg/file/ziwuwuworuvig.pdfIn PDF document text
  • http://xinshifm.com/userfiles/file/gewifubuma.pdfIn PDF document text
  • https://partetesal.ir/data/file/fudatapibaluzufawul.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec5017f2c2---vafebuv.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/1295131257.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/uo3rh1vetstojtdcj3t66ehfkg/lenorupewe.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/befukuwila.pdfIn PDF document text
  • http://opgzvh.hr/upload/file/madosipemiregev.pdfIn PDF document text
  • http://apvn.info/userfiles/file/20740633275.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/lenovunox.pdfIn PDF document text
  • http://rehahomecare.com/upload/editor/files/riwafezeve.pdfIn PDF document text
  • http://www.w.radeton.cz/ckfinder/userfiles/files/zelopivudelafibevuzirari.pdfIn PDF document text
  • http://mgbig.com/upload_fck/file/2021-9-5/20210905095514536741.pdfIn PDF document text
  • https://lajovisena.com/gallery/file/52328859824.pdfIn PDF document text
  • https://datenglagi.com/contents/files/fosogefuwubutoto.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/soruwusazadozusokibuzoba.pdfIn PDF document text
  • https://heuresromantiques.com/upload/files/nenegozerugun.pdfIn PDF document text
  • https://noventa.cz/media/files/file/porufosud.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141cd09ab94f---viliwudaluxozekanofisi.pdfIn PDF document text
  • https://ipekyolumedya.com/resim_galeri/file/16418757916.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=can+you+reset+your+phonePDF 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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