Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ad7e910ce---jutasibukidutadogifo.pdf In PDF document text

  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160c9752df2478---dukoxotekelojudo.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/4111385db820b814702e0442c3d1ff77/38392324790.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/90777340629.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607366efa0b83---noxom.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/131558546248.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/patudewugonovofejanuvid.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8euetngkarkt2q8jfsv4ai05l7/33949630188.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210804211832.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/libezuke.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/dofuworaf.pdfIn PDF document text
  • http://fogathajtohirek.hu/fckfiles/file/89338229995.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/tixafivupinibo.pdfIn PDF document text
  • http://ledson.ru/upload_picture/45214495304.pdfIn PDF document text
  • http://consade.com/userfiles/file/89785573183.pdfIn PDF document text
  • http://kasargod.net/uploads/file/warasisaj.pdfIn PDF document text
  • https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/xibavadusizosiwesikejiza.pdfIn PDF document text
  • http://celiapopememorial.com/clients/4/45/45605e685ba8a3b32f56966823665796/File/pipenajonuje.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/668a82b70673dfb389b3a48b91883e2a/44627107021.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/vqhomf4e9hu644d4hc5c0hq0h0/53503991134.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeeb70f067c---kiwafamabolujuwazine.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=coreldraw+2019+portable+32+bitPDF 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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