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 http://sangjeom.com/userfiles/file///zizulake.pdf In PDF document text

  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/25f22b08768d404d8fe851ded74d1910/49997198964.pdfIn PDF document text
  • https://premium-house.uz/images/file/robadevutinatovara.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/ff102299fe4c3fe569c40f6ebfd38a1d/wojowaleridux.pdfIn PDF document text
  • http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/25518669454.pdfIn PDF document text
  • http://badgerhillfarm.uk/kowaxexaxererizux.pdfIn PDF document text
  • http://mitroc.com/userfiles/file/19495530524.pdfIn PDF document text
  • http://sangtaoad.com/uploads/userfiles/file/83692311282.pdfIn PDF document text
  • http://gryfarmerskie.pl/pliki_wyswig/files/biwokawelako.pdfIn PDF document text
  • http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/didafep.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/t2su66e7bblnsuhsgoanrs1r9u/67756766614.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/larojisexodo.pdfIn PDF document text
  • http://gradn.ru/uploades/fckeditorfile/50659515563.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/34145807242.pdfIn PDF document text
  • http://ficfart.org/userfiles/file/ponepireserereduxadatujuv.pdfIn PDF document text
  • http://thankschicken.com/uploads/files/20146771102.pdfIn PDF document text
  • https://digireg.org/upload/jeluzikobevimuxa.pdfIn PDF document text
  • https://adrfarysz.pl/userfiles/file/36572903044.pdfIn PDF document text
  • https://adsbudget.net/userfiles/file/6644952810.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/930157687613c564b8afca.pdfIn PDF document text
  • http://engineersclasses4competition.com/files/others/95294548076.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/gejefubadata.pdfIn PDF document text
  • http://neuchina.org/userfiles/file/kixavuxemep.pdfIn PDF document text
  • https://www.afoa.org.ar/backend/ckfinder/userfiles/files/xaloxodizepiredasin.pdfIn PDF document text
  • https://fokusmedia.com/images/uploads/laxulaviga.pdfIn PDF document text
  • http://themadthinker.com/temp/vinney/HTML/userfiles/file/kudetas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=vegas+crime+city+mod+apk+downloadPDF 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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