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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://pixomot.ru/uplcv?utm_term=complete+javascript+tutorial+pdf+with+examples PDF link annotation

  • http://pokwuttibut.com/file_media/file_image/file/radoxagabuba.pdfIn PDF document text
  • https://nbretail.com.vn/ckfinder/userfiles/files/40390182936.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/51734575061.pdfIn PDF document text
  • http://jolanyee.com/upload/files/202109080053062187.pdfIn PDF document text
  • http://btsoft.vn/uploads/files/17623570773.pdfIn PDF document text
  • https://office-agglo-larochelle.fr/userfiles/file/35359241711.pdfIn PDF document text
  • https://dalba.net/other_files/File/selidetizixisodepaber.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140bf2c263f1---veguzemupemu.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/gewezukirozepiduxade.pdfIn PDF document text
  • https://matraci.info/UserFiles/File/ruxevagiv.pdfIn PDF document text
  • http://www.agot.pl/upload/file/vozakag.pdfIn PDF document text
  • http://poaglasses.com/uploads/files/202109020715326603.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d0b84b033---7996474366.pdfIn PDF document text
  • http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/redixirupaxi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340110e3de3---wukurerujikilalusaw.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/bc2534e84fb635054957f08226b56215/nufisukidovawinuxibunoga.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/3f83c6a9caf61183d4e6528920f5363b/51442429227.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614267853c6c3---76009132757.pdfIn PDF document text
  • https://peoplehelppeople.net/uploads/File/6108864204.pdfIn PDF document text
  • https://handientu.vn/userfiles/file/nunirekodakudabejuwod.pdfIn PDF document text
  • http://wanyuantemple.tw/userfiles/file/34258369608.pdfIn PDF document text
  • http://2990592.ru/ckfinder/userfiles/files/76185975721.pdfIn PDF document text
  • https://fullgame.hu/uploads/files/gijafofunume.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/873ee40d346b8183691072a4bfd826e2/82201356078.pdfIn PDF document text
  • http://sakulchaiplace.com/Uploads/file/80417697331.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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