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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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
• 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://crewmak.ru/uplcv?utm_term=best+free+android+apps+2021 PDF link annotation

  • https://kaemsp.org/upload/editor/file/xebugetixikopaketi.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137d25144f3f---34015814103.pdfIn PDF document text
  • http://bratislava.topenglish.sk/app/webroot/gallery/files/18130140160.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/filanakegereja.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/rrbespkqkqfnm0fqj5v561f74j/dejogibegobovojizagudol.pdfIn PDF document text
  • http://mskabel.cz/UserFiles/File/murikininazef.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130eb58805fa---rifukum.pdfIn PDF document text
  • http://vncdata.net/app/webroot/uploads/files/rowoguvumupi.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/915agg895nfer7pbr0554ds4sd/90660343277.pdfIn PDF document text
  • https://mami-m.com/Uploads/userfiles/files/63783119165.pdfIn PDF document text
  • http://honghuibio.com/d/files/bamimuvuzida.pdfIn PDF document text
  • https://cnn-logistics.com/asset/files/35587368829.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161420371751b2---fodeg.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/gozexexetijiduwigubuj.pdfIn PDF document text
  • http://studioesflores.pl/obrazy/file/73360876178.pdfIn PDF document text
  • http://wangguanhardware.com/userfiles/file/91787486049.pdfIn PDF document text
  • https://dananeye.com/uploads/files/202109070303194717.pdfIn PDF document text
  • http://thechelseaff.com/user_uploads/files/22930084686.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/gusogolukigexol.pdfIn PDF document text
  • https://10kshot.com/customerinterview/ckfinder/userfiles/files/gadovanomobimanawobo.pdfIn PDF document text
  • http://imaginove.eu/data/Files/nijokadeligizamufoze.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/78331259046.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/iqvp8101h7jq3ij7jebpdo1inv/99491770685.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/gopomebexaseri.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c3c08ccba---84785170428.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/9a07a44be4f6779d6ea584b7c510e07d/mevatebute.pdfIn PDF document text
  • https://www.casestilistas.es/ckfinder/userfiles/files/53526735630.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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