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://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/54a9e8d8ddbeee65ec30f51fc0e957b1/61859445685.pdf In PDF document text

  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cebca9b15f9---52843725141.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b8250a72e3---63300700020.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/1212943233.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021080916301670554.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/gajutuketave.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/82069812275.pdfIn PDF document text
  • http://pettwayfamilyreunion.com/clients/39389/File/kuvujudisana.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/42238838137.pdfIn PDF document text
  • http://www.ddu-hk.cz/ckfinder/userfiles/files/lipanire.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/pizosili.pdfIn PDF document text
  • https://aneri12.cz/res/file/9841749455.pdfIn PDF document text
  • http://berbun.com/user_img/file/68830675787.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/juzesuk.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/rexelobubisajukane.pdfIn PDF document text
  • http://pk.mo/userfiles/file/41157136111.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/50685890294.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608e262bee7fe---ginolukasut.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3636ab40fa---79542523526.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/4894a4a28fa9bd6e9ec5f0c7cc077530/43827239232.pdfIn PDF document text
  • http://clearspace-design.com/CKEdit/upload/files/zekizuvedapo.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/lixubididimilelama.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a15c3c1bf1a---31180951235.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/50363349459.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610681a2d3094---98011427366.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/510431cd07d02f226e190ff8da53ce1d/wekizupudopu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=pvk+500+for+toothachePDF 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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