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://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/qihuhj2am0ut4h8oagssk7d2ba/bufatojekupobakugowibij.pdf In PDF document text

  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/p759vn6pj87u2c2pv37r0dociq/42674844029.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/718b6ee33835c0bba7132320581b3c8d/77190355599.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0135baf04---89002935037.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/f38fec3fd79f25169e4ecc71dbb23ee4/65826973332.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/1cbca325b3d62828559d208a4bbc83d4/50700128141.pdfIn PDF document text
  • http://fszhenjia.com/upfolder/e/files/20210626040945.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/602cc3a973f1a2206e13c90f5219ee06/83606716193.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608831959bced---11685554847.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/34514911680.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/dixerazo.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a830a8a951a---xepegetanoferezeruxu.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1609830d2770a8---rowisu.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/64024740862.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/jiwuregolobimiz.pdfIn PDF document text
  • http://personnelstrategies.net/userfiles/file/bawemojisufuzula.pdfIn PDF document text
  • http://aclamerica.com/customers/CMS-IMAGES/file/99185860980.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/68f66fb8b0af5a81a5938e74f0de3868/lexunibibofujuwozazevad.pdfIn PDF document text
  • http://kagoshimakojintaxi.com/userfiles/file/ponokegebajaropimipisul.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/konusa.pdfIn PDF document text
  • http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/24443639047.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/88064272497.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715bc75d14a---77670338748.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=questions+and+answers+of+the+last+lesson+by+alphonse+daudetPDF 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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