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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://smidgel.ru/uplcv?utm_term=12th+math+objective+questions+and+answers+pdf+2020 PDF link annotation

  • https://aulacvn.com/upload/fck/file/90373792551.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/xigejuruzerezope.pdfIn PDF document text
  • http://contextuae.com/resimler/files/fagorugoj.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a770dbf3ce---jevipu.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/bakasifuwefokuzenakigin.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ca2c30f8c---77769163066.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/wagesigiz.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160758fb382d19---sekekin.pdfIn PDF document text
  • https://tessuno.com/upload/files/611c40abdaafc.pdfIn PDF document text
  • https://ocbond.org/userfiles/files/migilizinamozubawuzofe.pdfIn PDF document text
  • http://dailyxedayhang.com/userfiles/files/xagotasedafojosabimita.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/70502491050.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160bdcbfe8c2d2---satubamasaxekigereb.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076a15f58a6a---62541603092.pdfIn PDF document text
  • http://daonshop.com/files/fckeditor/file/249509805.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/07bb834b076012d835ff98f0a27dfd95/40996637723.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/80705650079.pdfIn PDF document text
  • http://anapharmata.hu/ckfinder/core/connector/php/files/vediroze.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ouroqeqpnc1bcu8rlarsmm4dl1/13227344413.pdfIn PDF document text
  • http://www.atsamuihaus.com/image/upload/File/58132607674.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210816_124921.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/gixulej.pdfIn PDF document text
  • http://hydrem.ru/images/file/47752849247.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce00dc7a4a---bafowovejugitilosegiso.pdfIn PDF document text
  • 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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