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://chcial.ru/uplcv?utm_term=watch+live+soccer+tv+free+on+streaming PDF link annotation

  • http://zhengfutz.com/v15/Upload/file/202196612274996.pdfIn PDF document text
  • http://jewelry-shopping-city.com/uploads/files/202109052007547160.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/61193503763.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/r1ir6cjpludfso0pbu88p6nujg/96616620409.pdfIn PDF document text
  • https://rubfila.in/files/file/37276942904.pdfIn PDF document text
  • http://balcimimarlik.com/resimler/files/62952946614.pdfIn PDF document text
  • http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/zituwemob.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/95104525346.pdfIn PDF document text
  • http://mopron.ru/upload/files/33630428447.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/bf669dc49010e24947e5ffc696d078c6/23085936534.pdfIn PDF document text
  • http://adacu.org/userfiles/file/20210908083838.pdfIn PDF document text
  • https://testpensija.bankai.lv/ckfinder/userfiles/files/49369819478.pdfIn PDF document text
  • http://avandcie-energy.com/ckfinder/userfiles/files/24978732270.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1613986d6a47f5---luxonulu.pdfIn PDF document text
  • http://tnmetalworks.com/images/files/wixud.pdfIn PDF document text
  • http://omatsuri.kr/data/userfiles/files/15515525169.pdfIn PDF document text
  • http://pataibicaj.hu/userfiles/file/23387016153.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/ramivukulegu.pdfIn PDF document text
  • https://suprastoc.ro/userfiles/file/64524779182.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/gaseneduwebevifexamo.pdfIn PDF document text
  • https://happyjourney.webtrails.in/ckfinder/userfiles/files/47389817378.pdfIn PDF document text
  • http://etabetasurvey.com/userfiles/files/sokozubosomavutazagokikog.pdfIn PDF document text
  • https://namratalakhotia.com/userfiles/files/xarixiwabogovatutazekaxad.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/25308596c6787625bbb70280747c5c99/gawibarufurij.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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