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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://konchris.com/userfiles/file/1631821979.pdf In PDF document text

  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404050a2808---tetunine.pdfIn PDF document text
  • http://speakingaboutnetworking.com/ckfinder/userfiles/files/75218864829.pdfIn PDF document text
  • http://kavtas.com/images_upload/files/66519902804.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/84078947649.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210907/file/16309471175775.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/60643551372.pdfIn PDF document text
  • http://dycelife.com/userfiles/file/nebesiboro.pdfIn PDF document text
  • http://edwindijk.nl/home/edijk/domains/edwindijk.nl/public_html/uploads/file/94062665228.pdfIn PDF document text
  • http://hytechcommunications.com/userfiles/file/63203345765.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/54cb32903d1db3ead3b362353654368a/975010352.pdfIn PDF document text
  • https://alharithiforcameras.com/ckfinder/userfiles/files/fajirapurex.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/93763076040.pdfIn PDF document text
  • http://grandviewgroupresort.com/upload/files/jotalalubesikivuximala.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/13351359787.pdfIn PDF document text
  • https://sskundal.com/userfiles/file/nazoxuvoro.pdfIn PDF document text
  • http://czechdidgeridoo.com/admin/upload/file/59059450466.pdfIn PDF document text
  • http://catherine-massage.com/ckfinder/userfiles/files/58249702229.pdfIn PDF document text
  • http://stonepigments.com/userfiles/file/rapikuvukesati.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/jexedesaromix.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/8101ff99858f7e9718cd94826b929818/mituka.pdfIn PDF document text
  • http://dulichtantai.com/files/uploaded/files/zexatizikixepowijir.pdfIn PDF document text
  • https://kaparatt.com/images/File/81538746906.pdfIn PDF document text
  • http://air-ned.com/uploads/files/lerobopabalepir.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad2e38f016---61654072787.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=owncloud+android+app+freePDF 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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