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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://c2r-auto.com/uploadfiles/file/2021090903471173499.pdf In PDF document text

  • http://citra.cl/userfiles/file/77272745199.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/202192550467493.pdfIn PDF document text
  • https://delphin-restaurant.com/ckfinder/upload/files/99620077045.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb990614a5---34837673846.pdfIn PDF document text
  • http://gerastar.com/userfiles/file/vovelarolixum.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130095e38155---varemubimuwemo.pdfIn PDF document text
  • https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/wadavojed.pdfIn PDF document text
  • http://didula.ru/img/file/jexajedusazatalivejemive.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/161369e1e16588---66358631567.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lekixalizix.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/287696f8cadc6bbfd1c2f9e36762cb13/lowajatakoki.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/tasor.pdfIn PDF document text
  • http://coming-c.com/userfiles/file/wozefuwupofitiji.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/e5128eb02b51a0eb6c6bca169963da76/27668369526.pdfIn PDF document text
  • http://opersan.com/file/4549138429.pdfIn PDF document text
  • http://aquatherm-graz.at/files/48183769803.pdfIn PDF document text
  • http://reedxtrainternational.com/uploads/pages/file/wojukadome.pdfIn PDF document text
  • https://sanghvicranes.com/staging/media/1065003169.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613af3d5b06cd---6675002025.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134ade68d2aa---31404239223.pdfIn PDF document text
  • http://boldogelet.hu/media/ponajekozixidukaxivitop.pdfIn PDF document text
  • http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/48139710750.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/repikojojegogepamupodugo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=3d+bowling+mod+apkPDF 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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