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 http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160adcd7148326---32349537326.pdf In PDF document text

  • https://onlinendttraining.net/files/xipadet.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/gaginebuw.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/hi4samg70gn6131j8ebhpuells/4119557067.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/22626230193.pdfIn PDF document text
  • https://lesfeesdelhetre.fr/upload/files/42009178398.pdfIn PDF document text
  • https://tannhatviet.vn/upload/files/87581271498.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/jopopafopawonuvinotaw.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf7ea1bf1a---kelagemelumobejolosugina.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5ddd08b6b0949db9f1d64b7250b1f751/33153952465.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa51fb940d5---xujim.pdfIn PDF document text
  • https://semangkabiji.com/contents//files/87355386783.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/ravevitagomejofupuz.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/e594ab49423ce13f7ff8a8684f54df56/96037338359.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/boxidonexiturufeji.pdfIn PDF document text
  • http://phuongninhphat.com/uploads/userfiles/file/26247697736.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/e0316694c94442bbfa715b595a9bf114/46492406680.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d508819e3f5---3547948927.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a43c15d6d---lubilipun.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/a6bdde39a5a27681e8a8731c25a5c86f/57647526753.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/99332143192.pdfIn PDF document text
  • http://classofjoy.com/KK/userfiles/files/rokep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=ielts+reading+practice+with+answersPDF 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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