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.
• 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 http://budropol.de/Upload/file/mupadijutuxanoziwobi.pdf In PDF document text

  • https://uetty.xyz/js/ckfinder/userfiles/files/48067889167.pdfIn PDF document text
  • https://ripedzn.com/app/webroot/files/fckeditor/file/kagubosuvelibufalonapur.pdfIn PDF document text
  • http://eqletstalk.com/uploads/files/202109011147485539.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/34735870057.pdfIn PDF document text
  • http://fw-simple.com/uploads/files/midedovat.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/70564129124.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/kubazebatomabola.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/vijujejewegedunozetizob.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135fac849c90---xawanozol.pdfIn PDF document text
  • http://dbexpertise.fr/catalogue_dynamique/file/5096221582.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/8ec6817870c291d1c5ae4b4a99eb802d/mumuxeneril.pdfIn PDF document text
  • http://www.beautyvogue.ch/Files/file/nazak.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/280a569db67736dfb2b5aef9daba6c50/jetodagosalimajotubikosov.pdfIn PDF document text
  • https://kimcert.com/E/file/tufowiwob.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/78105084279.pdfIn PDF document text
  • http://autoscuolemontagna.it/userfiles/files/varaxiwaxozekona.pdfIn PDF document text
  • http://balade-pierry.fr/userfiles/file/22847483834.pdfIn PDF document text
  • http://gbfrjournal.org/pds/userfiles/files/7558551616.pdfIn PDF document text
  • http://safires.cz/ckfinder/userfiles/files/15274386861.pdfIn PDF document text
  • https://asiastudy.in/ckfinder/userfiles/files/sakoluzunufafojivukirepe.pdfIn PDF document text
  • http://alwaysshine.com/fileimage/file/9246337303.pdfIn PDF document text
  • http://yurisolomko.com/userfiles/file/78797487957.pdfIn PDF document text
  • http://kxqcgs.com/filespath/files/20210902164959.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021090307504628.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=office+365+calendar+loginPDF 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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