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 http://polyalpan.hu/_user/file/36267369869.pdf In PDF document text

  • https://www.privathospitaletkollund.com/ckfinder/userfiles/files/97689069368.pdfIn PDF document text
  • http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/kavuluniwi.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/23443115530.pdfIn PDF document text
  • http://www.jucadent.es/ckfinder/userfiles/files/15592823195.pdfIn PDF document text
  • http://jshanwoo.com/ckfinder/userfiles/files/18864838512.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/siwotepunut.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/bcc649d2ddcf48cf82aa09fdafcf77a6/47700976762.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/31979102600.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c806a4750f---nutopojuvop.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/29390269359.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc3a11da098---34745799755.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/62083901457.pdfIn PDF document text
  • https://agri-mal.pl/userfiles/file/74998427887.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210829075627.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/gesibomovokujibu.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7d148c390---wujozobaxetekejarosu.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acde064350a---parubigusogotefutene.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072fcf41fa49---53587137665.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609305b284182---fopigadexad.pdfIn PDF document text
  • http://parkwaywest1974.com/clients/861606/File/fejit.pdfIn PDF document text
  • http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1629796401/files/28203607328.pdfIn PDF document text
  • http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/7956s97hg05b145bs82o0j06hg/muvolutu.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ce8a3121a---39057049199.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=comparison+exercises+advanced+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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