Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://dukra.sk/editor_uploads/files/597724907.pdf In PDF document text

  • http://zaun-produzent.de/userfiles/file/34538245285.pdfIn PDF document text
  • http://dezis.ru/uploads/files/14910566397.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/sakisa.pdfIn PDF document text
  • http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/27127960675.pdfIn PDF document text
  • http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/39832272368.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/t89imutor5tkro0m30nenmfd26/56646312248.pdfIn PDF document text
  • http://philboyd.com/19456813224.pdfIn PDF document text
  • http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/38278293184.pdfIn PDF document text
  • https://exam11.menapoint.com/app/webroot/upload/files/33239082133.pdfIn PDF document text
  • http://vinhthuan.vn/upload/files/wekimatiripijurumazuj.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/92088126275.pdfIn PDF document text
  • https://weilaimachinery.com/userfiles/files/80883484889.pdfIn PDF document text
  • https://marikakozmetika.hu/editor_up/36178230792.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/h1l2827hcn1s0o2qjji5unhcbu/pixubuvetagikodekixudivit.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613ff478aa178---38136554662.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/noweposowefobaxavadegupe.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448733d9ae9---82632889632.pdfIn PDF document text
  • http://nattukoottam.com/userfiles/file/32592952604.pdfIn PDF document text
  • http://cieplej.pl/imgturysta/file/32489380220.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613101d73333d---4348232473.pdfIn PDF document text
  • http://scantech3d.com/files/3541443420.pdfIn PDF document text
  • http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/vakokutotenepijid.pdfIn PDF document text
  • http://choragwica.pl/userfiles/file/42084886837.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/24671703744.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/masikavojofivikoze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=nom+110+ssa1+1994+pdfPDF 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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