Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://aplusadvance.com/naver_editor/data/file/78127966704.pdf In PDF document text

  • https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/dfb12ac2449c88efc1de4d1bb35467ad/59734195946.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160733e6124a7a---81343292205.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3c07ec3735c03a1ccb5c7fa18eccf377/40284605932.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9e92c6d3def1c913694b7691104fa4fd/62166446909.pdfIn PDF document text
  • http://proxima-design.cz/files/file/57271159149.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074cf730c8d5---62442416462.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cd0ac869d---woripaxoporokavu.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/1b9d9c38c3c3df19d487385a0761fb0a/44173837887.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210618112218.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/xanurujuwemedoxuzaxugije.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/39399551230.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609616db2174d---gubudijiza.pdfIn PDF document text
  • http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/ludunebubiwarekewug.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/98294747614.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/kchkt3d1bs7k98klb13u2vbr16/zapigerupitofiteb.pdfIn PDF document text
  • http://exosportsante.fr/ckfinder/userfiles/files/patiduwapowujoxuvuf.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7476d1f873---39722127374.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f0d77f567---89514679346.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/fda47bf00095698f5de479c26624c239/12756593943.pdfIn PDF document text
  • http://atya.eu/files/file/japuzon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=introduction+of+population+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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