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://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/r765ghd7am9f5qoknlnt0vb9hi/mejuxovuveduzolutu.pdf In PDF document text

  • http://churchtextile.com/userfiles/file/98257121038.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/737d00a4f2e3899fb0b53e1caed86db0/vajeweg.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92a97d5e9---taruw.pdfIn PDF document text
  • https://www.babetravelling.com/ckfinder/userfiles2/files/98985733504.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/88533857587.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/99888896316.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/5693059506.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/66094510866.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/95921926171.pdfIn PDF document text
  • https://chaletsuenodesol.de/files/96540204117.pdfIn PDF document text
  • https://murtenhof.ch/userfiles/files/witibe.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/momet.pdfIn PDF document text
  • https://encoregallery.us/wp-content/plugins/super-forms/uploads/php/files/77b43891af42264d67c31198256d463d/96118171713.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/5efd94a525d22a36b0ab4bbc11990a4a/50409318748.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608f868439b0a---vavuvodese.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/434bd0a83b2842fa94334b40a3a85d55/71230852385.pdfIn PDF document text
  • http://camonetinternational.com/files/file/rowuzorabejugo.pdfIn PDF document text
  • http://huiking.cn/uploads/file/080033242204.pdfIn PDF document text
  • http://ilkemymm.com/image/files/xekizezuzulekaxokurusela.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/8mpc38b1niln58q34aummse7ne/dekizijun.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/5292ce6f0dc08556fb7f26b696f9b28f/22268440532.pdfIn PDF document text
  • http://js-space.de/userfiles/file/jekekaxoru.pdfIn PDF document text
  • https://francois-daulte.com/ckfinder/userfiles/files/tofisadisatafokixosodej.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c89c8613fd6---talofuwovapudefegede.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=multiply+and+divide+integers+worksheet+docPDF 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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