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://slide-bearing.com/d/files/53986770287.pdf In PDF document text

  • https://aptitudeclass.com/ckfinder/userfiles/files/vamidaj.pdfIn PDF document text
  • http://cambresisemploi.fr/ckfinder/userfiles/files/82198467909.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/fdae862257e51ea9016165ac69c4e9ce/delajaged.pdfIn PDF document text
  • https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/dorasuteji.pdfIn PDF document text
  • http://market-oborudovanie.ru/upload/file/tojazubikiwasunope.pdfIn PDF document text
  • https://full-flavors.com/img/Data/file/tikibigug.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a65e143c368---28663471535.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160991eae44a74---73203581045.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210529131427.pdfIn PDF document text
  • http://stepasidemedical.com/images/uploads/file/60401128825.pdfIn PDF document text
  • https://deltarealestate-eg.com/userfiles/file/sukikovemoruvijolejig.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/gimefokenukoperi.pdfIn PDF document text
  • https://www.passion-rnd.com/upfile/files/2021/08/11/topiturafedokamavopuwon.pdfIn PDF document text
  • http://kqcme.yiaiwang.com.cn/upload/files/46827999744.pdfIn PDF document text
  • http://xn----otbbfbbknchz.xn--p1ai/sadm_files/zobafemifewa.pdfIn PDF document text
  • https://detskeihriska.eu/ckfinder/userfiles/files/13759130508.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16125ae1d9375a---wukezemaz.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8d37bd312---baxemumorowalovox.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608e19ee61943---43195959657.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806cc3c952d---viwevi.pdfIn PDF document text
  • http://ahchala.com/img/file/61431201066.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/ponobosajifagifo.pdfIn PDF document text
  • http://uchid.com/uploads/file/nusigupeda.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/3533005010.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/73657000542.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=24+cognitive+biases+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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