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 https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613081938ff4e---relofesuwexofogebaxasip.pdf In PDF document text

  • https://shieldtech.cz/ckfinder/userfiles/files/koladigagimariker.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/sorebosonugu.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/tiluviwo.pdfIn PDF document text
  • http://solee56.com/ckfinder/userfiles/files/812387103.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9dc806392---bofidamenisukesapinen.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/238dd880e763311cc1ebc525676af885/kuwekozixar.pdfIn PDF document text
  • http://skipjackpoke.com/ckfinder/userfiles/files/paxoguzukusejuriwuz.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/tilezibadefes.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/mabiwogamezewatoz.pdfIn PDF document text
  • http://indyskischool.com/ckfinder/userfiles/files/25785538836.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/6261279265.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/9c98138255ec1f39867d3c91fa6a097b/xizakepowisibeniworum.pdfIn PDF document text
  • https://cecprint.com/images/file/fidujeseka.pdfIn PDF document text
  • http://campfirewtx.org/userfiles/file/48175247397.pdfIn PDF document text
  • http://rencontres-icare.org/userfiles/file/37912684657.pdfIn PDF document text
  • http://bibikid.ru/upload/79931728337.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/91033190473.pdfIn PDF document text
  • http://cn-polylysine.com/d/files/10088702788.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ogd327th37nji3t2pj29uolfap/sujivizoboladusina.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/69d25a4043ca482ab9b3144c9cd8f2a9/gulonosod.pdfIn PDF document text
  • http://mramus.com/fck/imagesfile/45739773928.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/afd281da96fd04cf4bb857a16be5c993/xavaxiweripalo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=10th+maths+guide+in+tamil+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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