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://laborke.ru/uplcv?utm_term=g+to+rcf PDF link annotation

  • http://duszek-lasu.pl/userfiles/file/fisobegawikevifuzere.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/56329654021.pdfIn PDF document text
  • https://egokituz.eus/files/galeria/files/josakosotilezidedixavapo.pdfIn PDF document text
  • http://zdravi-kromeriz.cz/files/file/23083107329.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/c973d6d045bc85cf9bcdd9fd0af8b796/91615506480.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/35165536895.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b43d3daef40---vewog.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/1e3ce47453958e1b0d2de2eeaca6f20a/78918873431.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/1dhda489b27oeegkf5hjmtha2kegqr9d/72296776999.pdfIn PDF document text
  • https://artbynela.com/uploads/file/nosug.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/b02l07n9933pig3pno7l6obnqt/riminagaxomolemejukokil.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b06f104fe---17907268196.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607047b8bdf2e---82010185657.pdfIn PDF document text
  • https://scanclean.bg/upload/ckfinder/files/15962504169.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a710b975453---25074792100.pdfIn PDF document text
  • https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/1ae1c4edb7993cb54b863468368a774c/debuxujatewaz.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/kezijutib.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609604bdc4b1f---40053769298.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a529d9de991---64231491825.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06fd4b2356---sizok.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/bojob.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6b264603---dujejanawopulamuvuzar.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/5b05f1633ea8c04eb8b6acb758de9c05/18693440185.pdfIn PDF document text
  • https://erdemlerkoleji.com/resimler/files/nezet.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853b1064a40---botoxotelilololanela.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/31ae451ac4c3ccc5ee59fe48cd2c1710/memuki.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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