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://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d47918053e5defff9d77b2137633fbef/lunerolaxetuputonito.pdf In PDF document text

  • https://lescourailleurs.com/upload/editor/file/23641722675.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210905015906_tmbg2j.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613583e38a08a---59540295627.pdfIn PDF document text
  • http://lachina.cn/upload/file/53529420750.pdfIn PDF document text
  • http://aspbae.org/userfiles/file/67596482913.pdfIn PDF document text
  • http://telesson.net/_UploadFile/Images/file/14962737943.pdfIn PDF document text
  • https://mami-m.com/Uploads/userfiles/files/gazuge.pdfIn PDF document text
  • http://pusheng168.com/uploadfiles/20210904152203.pdfIn PDF document text
  • http://nprofit.hk/userfiles/91427005448.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9030bd96a---66455497655.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/2d4b53db6918f588667faab2f698339b/wopofakebi.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161330e212b796---befeped.pdfIn PDF document text
  • http://studiocinti.eu/userfiles/files/xexibatazaxu.pdfIn PDF document text
  • https://tcremich.lu/files/files/bawexaze.pdfIn PDF document text
  • http://basketaci.cz/UserFiles/File/11206630194.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaa3f668aa---62200665584.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/7d6c9448f7c42bce457180dfb465a68b/26034902844.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/92881474052.pdfIn PDF document text
  • http://ruiqingchem.com/upload/files/temaz.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/34228350893.pdfIn PDF document text
  • http://studiodrago.eu/userfiles/files/mikulozozowijuz.pdfIn PDF document text
  • http://putzlappenborner.at/editor_up/simopobibedizu.pdfIn PDF document text
  • http://cnsgafgl.netsociality.com/upload/files/woniwibimexitoru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=cat+goes+fishing+download+apkPDF link annotation
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/vaxapejuxef.pdfIn PDF document text
  • 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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