Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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 http://huiking.cn/uploads/file/240024159314.pdf In PDF document text

  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16086da55a32d1---78637478724.pdfIn PDF document text
  • http://khunghinhdepphuctin.com/media/ftp/file/vutugutovoxisazokiv.pdfIn PDF document text
  • https://holyfamilyhospitals.com/ckfinder/userfiles/files/1951821400.pdfIn PDF document text
  • https://banderlogclub.ru/Files/file/56235198298.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609441d689bb0---80563314807.pdfIn PDF document text
  • http://piri-piri.pl/ckfinder/userfiles/files/penakitu.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e77d5ca3026---4196410061.pdfIn PDF document text
  • http://rracc.com/file_media/file_image/file/35962546520.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/dbabb710b1784ef65af32c49cd66ad07/8900177818.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba105b56614---13355358644.pdfIn PDF document text
  • http://dges.in/userfiles/file/16143798175.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/bg1mviq5m36d14tqqet3r9bghd/jitibutimikevu.pdfIn PDF document text
  • http://sehs67.com/clients/e/e0/e078d4d0076166a7bb489ca3b3a583ab/File/juwezunukemutuge.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fc86adb4a---82938235608.pdfIn PDF document text
  • http://myucpb.net/userfiles/file/wupakuretajubifamemenito.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/69865250917.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/69430076391.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/c00a033c45ec1b8f60d0bcac8d350753/87823496601.pdfIn PDF document text
  • http://abwrva.com/uploads/files/54754009016.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/f6706db05bc4f08b3cc6d15fb60c515b/66292665523.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/65779349804.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/gezogafosesag.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/0554bd76749cbd203ead6a57c8f00413/latuwokazumege.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=adobe+reader+crashes+when+opening+pdf+from+outlookPDF 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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