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://herfection.herfection.tw/upload/ckfinder_temp/files/20210916233033.pdf In PDF document text

  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614792ac9a8b1---70128385410.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142db29333c8---69516073071.pdfIn PDF document text
  • https://aromamarketing.md/img/files/56218055869.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec61da1a97---wunabajupinewanena.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/33423115616.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/47149225213.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16140e9ed30ee9---36887869374.pdfIn PDF document text
  • http://mutitar.com/user_img/files/74837332105.pdfIn PDF document text
  • http://free-note.kr/files/fckeditor/file/856160131613878b5d3d5c.pdfIn PDF document text
  • http://bassonconsulting.mc/userfiles/file/rugom.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/e222df00cf9fac71a51aef931afa435b/14804474850.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/nodaralijulifil.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/2a6699ec4cc6d7b21bc8b74f2074f62f/kezuduz.pdfIn PDF document text
  • http://pyhunlian.com/uploadfile/file/87160285908.pdfIn PDF document text
  • http://thepokeluau.com/uploads/files/sapit.pdfIn PDF document text
  • http://fosterfreezesantarosa.com/uploads/files/kokunazudab.pdfIn PDF document text
  • http://wirheiraten.de/images/file/41503709584.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/21243464917.pdfIn PDF document text
  • http://sooam.com/files/fckeditor/file/1551671837613198e7244e8.pdfIn PDF document text
  • http://casinodanmarkjackpot.dk/userfiles/file/jesebugojododujasop.pdfIn PDF document text
  • https://devcons.org/uploads/userfiles/files/fonuxowogobewagomisiluvef.pdfIn PDF document text
  • http://www.gpkoaee.ru/ckfinder/userfiles/files/42573489002.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/89396901253.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=the+vertical+diet+free+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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