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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://krisoc.ru/uplcv?utm_term=the+artist%27s+way+for+parents+pdf PDF link annotation

  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137bf850a721---67652729450.pdfIn PDF document text
  • https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/pasilujofuduzozur.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/99599961008.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/161328d1a33c4a---mevusamenudufagunemasiz.pdfIn PDF document text
  • http://khocabien.com/uploads/files/luvulejipadezaxinezuf.pdfIn PDF document text
  • http://elsped.hu/files/file/97947894585.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16139f5b7e6fb4---kobopexupamuwitema.pdfPDF link annotation
  • http://seoulmenu.com/uploads/files/96577988363.pdfIn PDF document text
  • https://www.channeloflove.com/ckfinder/userfiles/files/metefafut.pdfIn PDF document text
  • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/72549392048.pdfIn PDF document text
  • http://lynxauto.ru/userfiles/file/27393288847.pdfIn PDF document text
  • https://ssekolkata.com/ckfinder/userfiles/files/59033257881.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/xutejavisarulagatawolawox.pdfIn PDF document text
  • http://prakseologia.eu/userfiles/file/lajedakefabatovan.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137553adccb9---kezegasowuredadikuwet.pdfIn PDF document text
  • http://ristorantebiscione.com/userfiles/files/26657114559.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/24678668267.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/47215713305.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/66725051723.pdfIn PDF document text
  • http://wohntraumgmbh.at/sikafarimotugi.pdfIn PDF document text
  • http://sieuthikhoacaocap.vn/upload/files/37345515154.pdfIn PDF document text
  • http://gavionescodeinsa.com/userfiles/kovonibukewenujalerazowi.pdfIn PDF document text
  • https://chv.vn/userfiles/file/14092401795.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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