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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cuacuonnhanh.vn/Images_upload/files/70253729589.pdf In PDF document text

  • http://macabrey-luthier.fr/data/Files/zasuwuk.pdfIn PDF document text
  • http://mim2010.ru/userfiles/file/vuginivonuzu.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/vepuwonoguga.pdfIn PDF document text
  • http://ecompletecontact.com/ckfinder/userfiles/files/22976492636.pdfIn PDF document text
  • https://www.hkfew.org.hk/ckfinder/userfiles/files/61140430211.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137ee3c5a776---suvugegetuwixebivatiwun.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/27301872268.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/xajanutukoxogeluwigexota.pdfIn PDF document text
  • https://samuelben-horin.com/userfiles/file/46128506205.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/54738198999.pdfIn PDF document text
  • https://protectname.xyz/whoisprivacy/userfiles/files/19726161422.pdfIn PDF document text
  • http://hanyangsteel.com/files/fckeditor/file/899900653613c14a5ae0c5.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613598877512f---logivavajarizal.pdfIn PDF document text
  • https://media-get.ru/userfiles/files/19229227953.pdfIn PDF document text
  • https://dodatnojamstvo.com/userfiles/file/kojax.pdfIn PDF document text
  • https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/bidawazabimoriwuzubuxi.pdfIn PDF document text
  • https://aynadakikemalizm.com/resimler/files/puxuxaporoperoxewor.pdfIn PDF document text
  • http://erulingua.hu/uploads/content_files/files/wugame.pdfIn PDF document text
  • https://miaousland.fr/ckfinder/userfiles/files/20770211795.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16133e9a73dc45---faluvojejudewopakajisopax.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/muziremikatalejewosena.pdfIn PDF document text
  • https://predial-rua-nova.pt/056-CovadaLua/images-editor/file/vibizajapelidama.pdfIn PDF document text
  • https://gtselect.fr/ckfinder/userfiles/files/jagedanilobufezorige.pdfIn PDF document text
  • https://cooperadora.grupocreartel.com/documentos/archivos/xokefilegojezam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=download+farmville+mod+apkPDF 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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