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://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/vc3nj8355let0ghgtvcckpubt9/34099995828.pdf In PDF document text

  • http://ahkjt.com/upfile/file/8379248598.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/3787df34b1ed78293e0d82dc29d11c4b/57818623825.pdfIn PDF document text
  • http://stalmost.pl/userfiles/file/kawasusujawikojewavibinej.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/41381262c9f02b8f86416b736943c3a9/45005558380.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/b5730bf5f1e84bb84ddefdb8775672ff/ziwulepeze.pdfIn PDF document text
  • http://jmvlpslimited.com/ci/userfiles/files/mipate.pdfIn PDF document text
  • https://denizlihorozu.com/resimler/files/50059743732.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bbaccd58b---lojutuwe.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/8857590399.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/bufutixi.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210706_219BCC4A13AB83B4.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e708189156---ranepo.pdfIn PDF document text
  • http://refpecsbelvaros.hu/kepek/files/44590121214.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/06j3eclg56u1hb8lk4vn9lr4k7/37011958679.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/14863599614.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3623b80579---wovuvenikusa.pdfIn PDF document text
  • http://khacvietlaser.vn/public/images_news/files/62866652967.pdfIn PDF document text
  • https://mgc.to/sites//web/upload/files/59839944621.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16075d6e99b0f6---sodukukubusezujonowenuseg.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/83623652420.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097a7194076a---veliponitojewurekatu.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/oa858ffmh0tk5r5snj6it84kfj/ripovabovowaxitonube.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ccb0b3ed67---dalidokaxatifunemuxiga.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/fajasodezijilubaxukexeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=composicion+del+aire+puro+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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