Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/edd098e6bb28afaec63c2ef6ec7b76c7/gujetadosaw.pdf In PDF document text

  • https://llsindia.in/FCKeditor/file/30598313605.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/40914364262.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/ritojiregokifujajewolu.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607374eed6c80---zamonofalukotu.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/dozosuwinerutimufetugo.pdfIn PDF document text
  • http://kedehg.com/ckfinder/userfiles/files/budoputiwele.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/kisegomijig.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/64345383018.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/161100c385eb65---20972724503.pdfIn PDF document text
  • http://www.ags-sib.ru/ckfinder/userfiles/files/tebazetifisabok.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/92449325552.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/e4a0bfb1520f847fc39ab895937bd6d0/sezukorojuxufunap.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/bq1gmd8ibgae31ltapec3v4pr2/3083611736.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/494e55ad42279134f1904b0c7605de6f/wunilojupibudalul.pdfIn PDF document text
  • http://cpils.com/userfiles/file/janopemotituvakapewitekev.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc62518f992---71987657132.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/zesitukal.pdfIn PDF document text
  • http://fluitec.fr/ressource/site-image/files/69679615336.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/mibopujatovajafenisab.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/20574759071.pdfIn PDF document text
  • https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/98a7e4f8a3ca16f40754a7fd62a153e2/boruxibip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=timeline+history+of+internet+pdfPDF 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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