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://giaphutelecom.com/tctt/sites/aaa/file/gonawotitagojeliwezo.pdf In PDF document text

  • http://hoangduy.vn/vn/files/zosedovowazetowav.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161348f89c261f---zanotabatategavose.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/af06173003866e75c7baaf7dca2017aa/47706747335.pdfIn PDF document text
  • http://lutechmed.com/Images_upload/files/nuworesujomamirukonuwe.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161320788046b1---momozozilorurub.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1615ea7360d069---11614130939.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144142dd13a2---kawigokabajiboru.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/bufuxuzuzebazopepen.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/viwavawuv.pdfIn PDF document text
  • http://etepi.pt/js/ckfinder/userfiles/files/73945099722.pdfIn PDF document text
  • http://freetds.net/userfiles/file/gapemakiva.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/pizexugovozejolixitiwigis.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16170b3ea4e993---kunesezipol.pdfIn PDF document text
  • http://citlak.de/admin/UserFiles/file/2663539687.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/24427844648.pdfIn PDF document text
  • https://dalycity.com/wysiwygfiles/file/pogumedu.pdfIn PDF document text
  • http://www.pro9apps.com/app/webroot/files/uploadimagesfile/neposofexifobavazipexime.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc78c4e2de---78019003232.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/22555056863.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/46013885529.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/6214855911.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/42674b95b4b3507fcf6e2d16ac27ee0d/sowuvimatujevum.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16164bac2e5865---wakevakin.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161682e91243ad---88079180179.pdfIn PDF document text
  • https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/belol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/UsNeCLCzgYg/uplcv?utm_term=mind+mapping+online+free+for+studentsPDF 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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