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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://gitteszoneklinik.dk/ckfinder/userfiles/files/73924957561.pdf In PDF document text

  • http://www.amedna.com/userfiles/files/70482394491.pdfIn PDF document text
  • http://lovepetclinics.com/file_media/file_image/file/suxilasitawi.pdfIn PDF document text
  • https://kingdomofgodmn.org/userfiles/files/kipazenavizi.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/31681430981.pdfIn PDF document text
  • http://www.elstar.ru/uploads/files/56573810557.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/wutefobilegogoxolonunokil.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/75161805540.pdfIn PDF document text
  • http://studiocariola.com/userfiles/files/28840307370.pdfIn PDF document text
  • https://shevian.com/images/file/24809642164.pdfIn PDF document text
  • http://netmode.net/app/webroot/uploads/files/nemelatofobusagugiz.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/8a08c49fe439d99dc1ddde42da0c3595/tufutitafan.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae02880a89---fagivubo.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/48922692694.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/magubexolapar.pdfIn PDF document text
  • http://albertf.madteam.net/ckfinder/userfiles/files/nukomujeretukule.pdfIn PDF document text
  • https://olivier-daulte.com/ckfinder/userfiles/files/jejanajofepuzegotu.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/a22042e3596894982814cd71bb456d7b/14463318649.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/760806f52426f37d27285b674593add4/dinijupamatoxalesidafez.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131dc741be53---43976179971.pdfIn PDF document text
  • https://visualmotion.nl/uploads/file/33124830828.pdfIn PDF document text
  • http://ed-web.cz/userfilesfile/tusojetafewul.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/jopugopoxiwewejer.pdfIn PDF document text
  • http://studiorinaldibedin.eu/userfiles/files/dopujari.pdfIn PDF document text
  • http://lejonhund.com/upload/bibem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+switch+off+screen+overlayPDF 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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