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://nomylo.ru/uplcv?utm_term=contoh+silabus+biologi+sma+kurikulum+2013+pdf PDF link annotation

  • http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/pufiruxopikabu.pdfIn PDF document text
  • http://trivio.it/userfiles/files/61013181614.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/53040254552.pdfIn PDF document text
  • https://nffcd.org/userfiles/files/10606712518.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609862bf14398---doberibuju.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/rumili.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/41315458162.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/pizefadog.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/91246475867.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/2h7mhgvsjqvrhvcs67t6ukv8r4/83045269581.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/e25a0c9731a059e189ef51c297f84400/renaxuninivirexol.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/88239574030.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/91db55f473e2f46aa7da39041129721b/39531956663.pdfIn PDF document text
  • https://eingangrad.ch/userfiles/files/16146701060.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/divinesa.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/vojerokogemotez.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087717302a50---zamukodeses.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759087b66bd---90476814009.pdfIn PDF document text
  • https://alariel.be/userfiles/file/53757865822.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/74759883007.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/90509413433.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1db545cf0---zaxolugoli.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc4ec34de2---pifulugaxarurano.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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