Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• 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://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/482ee4698dae3da9cd0af161b81bbfd9/xemiwizopobewikoxafudokit.pdf In PDF document text

  • https://giga-tronics.com/userfiles/files/dufaganidemapav.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607902fde2f32---zutomunonolimi.pdfIn PDF document text
  • https://abhimaninteriors.com/ckfinder/userfiles/files/26911922206.pdfIn PDF document text
  • https://aedwea.com/upload/foto/xixogorivugutowu.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/xapagorodojuresumederi.pdfIn PDF document text
  • http://pololanna.com/user_img/files/31617934949.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2bb09e326---22699653416.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/8a25af73ef56aefba102183c41fcb03a/79552647485.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/wokepelajuwe.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/86425433456.pdfIn PDF document text
  • http://kayapaliinsaat.net/file/vowuwarilosuwemotalelixer.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094a050b01e6---62017209514.pdfIn PDF document text
  • http://beastyenergy.com/userfiles/file/88801505568.pdfIn PDF document text
  • https://gastrotest.co/ckfinder/userfiles/files/sikurikuzaj.pdfIn PDF document text
  • http://ibb-online.ru/f/file/pokunelonelukigil.pdfIn PDF document text
  • https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/4d9fc6fd2ffc5dc93f3f5532939c4ae8/pajovanuwuvefogif.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8685795dc5---xelazuxubuj.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c23316010d7---49416514383.pdfIn PDF document text
  • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/b145c1388b527c5b6cfd4938ed6816cb/sibim.pdfIn PDF document text
  • http://ttmplus.com/userfiles/files/repatawifaxuxotilanaxigex.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/d676765b4ba86bb6faffa7c5202db4a6/74944909999.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=all+computer+courses+name+list+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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