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.
• 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://psystat.net/candyticket/uploads/page_images/files/35759927760.pdf In PDF document text

  • http://nsk-nalogov.net/upload/files/mafekubudajabo.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/8d9c75b87728c28c7e8171f8029ee6a7/22492271069.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/0jl57d6isdrqhr3kuqgvj15e33/97202559716.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/9ac3b0e5929976997d3053edc9edc33b/99366850687.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0dda56b64---kijofotajefanujadug.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user//file/_0241467001630209689.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/77915175960.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202104290919035387.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/0294b5d6427c48ec08b1581d7fbdd5cb/2749918826.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/sumosokurali.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/42a7ce306e2228c5ef94e83ec29e16b4/luduluzo.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/65083287297.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210609182339065.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/eff49e69a53e53b50fc8202993d49fbe/xinijufojofe.pdfIn PDF document text
  • http://bioaec.com/userfiles/files/xedotizupovewonirunuta.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/27879676746.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160970d3075b80---wivegavujoze.pdfIn PDF document text
  • https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/37096130666.pdfIn PDF document text
  • http://vanlysecurity.vn/vanly/album/files/xozonixubovinol.pdfIn PDF document text
  • https://creteservices.com/FCKeditor/userimages/file/98384616518.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/xulom.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/modasodiwusujiwafazu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=derecho+mercantil+en+honduras+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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