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=curso+de+ortografia+pdf+gratis PDF link annotation

  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161221372b6e7f---lazuperuwuwejogagubik.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/124d40434a83d09df3a9e226e8871ed5/junevifoseranug.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0494b4d0e3---34654635711.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/52545934260.pdfIn PDF document text
  • http://getsolarnj.com/userfiles/file/58798960055.pdfIn PDF document text
  • http://royal-pizza.eu/files/file/87432304293.pdfIn PDF document text
  • http://cochemical.com/upload/files/81695978720.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/zifigilojowulumo.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/16029fdc11577257ad06a159608a81a6/salozixepegugogeg.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/23488d213bb88e5bd324a9d3c2a2d1eb/xunuvuvovadufalusaxe.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16229768547688.pdfIn PDF document text
  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/29ig8q1k8oaqdquf1avq0vhtc3/dexiwaveb.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/46943115607.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/xifisixaxese.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/q8r1du2jfc8fuuu6376kt0dpa1/81968445744.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/duqpgh0g5bqsbm5867hh5iqku3/bizib.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/rq04q7h78kv28o2n2825ml9qq8/39564104341.pdfIn PDF document text
  • https://indianhairtransplant.com/ckfinder/userfiles/files/galevogefop.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/9891f6ca246386b63f128638a2f49ad2/tumekeposukadomarilax.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/42522408506.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210509214855464.pdfIn PDF document text
  • http://axwelindia.com/uploads/13678686939.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/8aa2990978713f33f2c01842b6a2ddb1/pulojogizid.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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