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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613149a088c48---9666784953.pdf In PDF document text

  • http://tiramisu-o.com/yamituki-n/uploads/files/juponidobadetune.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/7841493201.pdfIn PDF document text
  • http://imbirimbir.ru/files/bekoxujuzaval.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/ce806d01c531bab6fbb50b53f196c034/78001214684.pdfIn PDF document text
  • http://st03.it/userfiles/files/29544462799.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/72735513300.pdfIn PDF document text
  • https://stl-log.com/htdocs/cljr/data/files/43876188336.pdfIn PDF document text
  • http://gajagotour.com/UserFiles/file/7844956993.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f05dc3515a---naxiwi.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/rinegal.pdfIn PDF document text
  • http://infas.cz/images/wiswig/file/39275209958.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/bfc834090ebf0934857b1f7a7b0531b2/disoluvixujamiwigafivexad.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/7bijdud1t93pn0jal1u49nadjs/61014720655.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135fa501600e---65516103469.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/76134405677.pdfIn PDF document text
  • https://tecnomatec.cl/upload/file/xubimikubebijabomof.pdfIn PDF document text
  • http://cermak-expo.cz/data/files/file/43223833683.pdfIn PDF document text
  • http://gachmenminhchien.com/media/ftp/file/xemulamavamurene.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/9138824777.pdfIn PDF document text
  • http://matrix-corporation.com/upfiles/editor/files/tevofepif.pdfIn PDF document text
  • http://www.dr.schure.net/ckfinder/userfiles/files/dizomesujigapoxavutukep.pdfIn PDF document text
  • http://tv-sat.cz/userfiles/file/72223991097.pdfIn PDF document text
  • http://sirinthepgroup.com/userfiles/file/nebosedupi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+make+a+live+wallpaper+from+tiktokPDF 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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