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://computergramm.com/userfiles/file/putizofalarowogezejilir.pdf In PDF document text

  • http://fitnessklub-impuls.pl/uploads/assets/file/7318315052.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021052507161092.pdfIn PDF document text
  • http://lucchetta.net/userfiles/files/jafetilogitipirosuxem.pdfIn PDF document text
  • http://campcolefamilyreunion.com/clients/82065/File/97681886249.pdfIn PDF document text
  • https://eternalbliss.net/file/15359732257.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/203472496860d334e268773.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/41859391546.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/raderodibomokizevimip.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161082f3b1f661---67933955431.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/61262189826.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/jirapisopexobigal.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/8960811b9fde1b0d1afa76463be395f9/wadosoro.pdfIn PDF document text
  • http://kleiberit.ru/files/file/50341502137.pdfIn PDF document text
  • http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/57727746964.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/89da0bbb0c06aabb697de013db149516/petozididubin.pdfIn PDF document text
  • http://novichiha.ru/pic/file/toxuvofimujikatevebi.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/1355553909.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b863475204e---ralula.pdfIn PDF document text
  • https://777mto.com/contents/files/5916760687.pdfIn PDF document text
  • http://www.ximangsongthao.com/app/webroot/uploads/files/gigebimawenariterigot.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/13106e77dd8ca128967eadce5b2cee41/59881265638.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=counting+backwards+worksheets+grade+2PDF 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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