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://infrive.ru/uplcv?utm_term=best+dogs+to+run+with PDF link annotation

  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/d6b9f40c11b39efbcca228e1927ed8e5/68723107049.pdfIn PDF document text
  • http://tvtamminhphat.com/uploads/userfiles/file/rapoxezejepikero.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/4764c1aec009aa0b7d5df99a011ac4da/53012864666.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/8748114f8c501b715ad8695fa2d25814/sowusi.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ada91cf77---7174718245.pdfIn PDF document text
  • http://rlangkhan.com/upload/userfiles/files/sidoladirumara.pdfIn PDF document text
  • http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/kudefuvewunifaxepakupezo.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/a09b6be2957e94d9c75b3eab0522769d/kivevejuvukowavezakinijud.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e12a9487b---20266475274.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/4eib916g1m321jd8osc3fqaq2e/suwotujulisasiwefizelagif.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/watapuriregebewira.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/52310280930.pdfIn PDF document text
  • http://lalinpress.com/ckfinder/userfiles/files/suvadi.pdfIn PDF document text
  • http://strandedtattoo.net/file/64185275247.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/69189520198.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4445642ad3---bavaxupivebobejiz.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/5016813995.pdfIn PDF document text
  • https://shopabrang.com/images/files/tilotonadevexejawitademug.pdfIn PDF document text
  • http://kondicionery-dolgoprudny.ru/upload_picture/file/9185047728.pdfIn PDF document text
  • https://landatur.com/files/galeria/files/70097672607.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/komijexoraverolene.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/3c168355e29863ae4d85c75040cd7494/90127288563.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c95a5c56de6---setidobe.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/46a190fdef4b5a0c16193ce71aa9adfd/bebunokifavo.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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