Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://inwebjor.ru/uplcv?utm_term=turn+off+pdf+password PDF link annotation

  • http://studiolauramoschini.it/userfiles/files/gesux.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/lebevaxewegowifabebeba.pdfIn PDF document text
  • http://elpijisystem.com/file/dudedozize.pdfIn PDF document text
  • http://studiocinti.eu/userfiles/files/zopomefesomu.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/6ghit1dd907339jbu6guq8an72/wepimifidupafeko.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134b88da9785---xolujak.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/33529973984.pdfIn PDF document text
  • https://ap-qatar.com/userfiles/files/51349741454.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161384a2e45090---33130101501.pdfIn PDF document text
  • http://floral-design-lindgens.de/userfiles/file/dexekipis.pdfIn PDF document text
  • http://bisenzia.it/userfiles/files/26244529558.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/70eshcpl9fb93bp0l815kt7om7/97804022862.pdfIn PDF document text
  • http://hani-bee.com/userfiles/files/53978696676.pdfIn PDF document text
  • http://corporatiegids.nl/uploads/files/22161279237.pdfIn PDF document text
  • http://radecznica.pl/userfiles/file/napemasaguj.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/pewerumudozebataj.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/gokozomube.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/29824655555.pdfIn PDF document text
  • https://hanoihome.net/img_duhoc/files/bivixesepusuxasijemon.pdfIn PDF document text
  • https://phatgiaolongan.com/upload/ckupload/files/81517019659.pdfIn PDF document text
  • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/43834868066.pdfIn PDF document text
  • http://www.asiacoservice.com/file/files/459869257.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/62122667447.pdfIn PDF document text
  • 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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