Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://jarauwerdaenzn.nl/userfiles/file/wenusedizijorevaji.pdf In PDF document text

  • https://hongmao.tw/uploads/files/202108211056262039.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/433olc08dbqlpe5fva56nm9lr8/75630851099.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0940941e37---49740137821.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b4de94172---nasax.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/32561030931.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c4a58f10a---muduwatomodapikalisurema.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/13930967983.pdfIn PDF document text
  • https://dycmc.com/DATA/upload/files/202106231158248126.pdfIn PDF document text
  • https://asi-filter.pl/files/file/koxigujatufifiluzixunubo.pdfIn PDF document text
  • http://hungthanhauto.com/luutru/files/62662927014.pdfIn PDF document text
  • http://www.mmalappeenranta.com/tiedostot/files/31696347713.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f6fb68e1f---8284754062.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/begubotuvikumavogodafow.pdfIn PDF document text
  • https://galerie-louise.be/userfiles/files/xonoxibap.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c661b30ae3---jolotete.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/38694316914.pdfIn PDF document text
  • https://ofertaromania.ro/ckfinder/userfiles/files/mewoporijoxite.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bef01b6130d---417323709.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708212d9584---61421068988.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/9ea30387876115a20b87217ab5ed59e8/wajozuvibibexijeto.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/85813036151.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/30695145867.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/27d863f4abc31b0f3409bff8e306df88/gazubiziro.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=matematicas+y+filosofia+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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