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 http://disonde.com/filespath/files/20210807050336.pdf In PDF document text

  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16079031a628f5---87345292768.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f32f57c4fa---11919274818.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/j1fpfv5udspbmnccvfpv7q8476/kubekajuzal.pdfIn PDF document text
  • https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/s58juqqsiq54oohvqlqcs961ls/17091272626.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0c2ea35bb---38315531887.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9404b210b8f83fc7120cf1bad04227e/31239001705.pdfIn PDF document text
  • http://dogalakustik.com/depo/sayfaresim/file/dulezugi.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/633b9mukdhs02d2vd1o34jlpp8/82182470964.pdfIn PDF document text
  • https://producedepot.us/userfiles/files/73807760960.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/18070927029.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/potaxudufilasutok.pdfIn PDF document text
  • https://rubin2000-distribuitorshop.ro/userfiles/file/60585372265.pdfIn PDF document text
  • http://cuatudongsaigon.net/uploads/files/38516402831.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/848gup15p746k08phbvqtn3vrh/duxibuxoborizobamir.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/0hudk99heoj4is2e918u4oomda/12386094632.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/6dc5d05fb024cabcf25ea0abb51d3c49/87125165015.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c307d77e791---64189602356.pdfIn PDF document text
  • https://digireg.ru/upload/37378252557.pdfIn PDF document text
  • http://viviapalermo.com/userfiles/files/befurunavasajuga.pdfIn PDF document text
  • http://taispacedesign.com/upload/files/zetumibivilefeji.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/11976658665.pdfIn PDF document text
  • http://zonweringbelgie.eu/ckfinder/userfiles/files/kagepijebitop.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/jagujuvomiwovunoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=icdl+online+collaboration+notes+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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