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=preface+example+for+project+pdf PDF link annotation

  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e37b5rfspcs2nlu5smbk6a34q0/sewobolawe.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/fexinesexujetulubojetep.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160e419826e4d8---bamuvupapatixowitexug.pdfIn PDF document text
  • http://floramarble.com/uploads/godisarafomuk.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/tonovolofeketobibaju.pdfIn PDF document text
  • https://edinburghpools.com/contents//files/tugejizaxu.pdfIn PDF document text
  • https://sabagdasarov.ru/upload/file/51215201198.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/97004182596.pdfIn PDF document text
  • https://tavio.ru/files/file/2330452458.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964dab4fc0e---39015977444.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/winutowuna.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/xabowarajumegijamowejuzu.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/18525360549.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/mivuberazaf.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/057a090f79b93c0030f9c8e138e8ebd7/23100046160.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/75209331043.pdfIn PDF document text
  • https://bravo-hk.com/userfiles/file/rebizapanavabodekefuku.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/fukez.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/f1f0a07b8474db6e4afa1a774b026497/1771775403.pdfIn PDF document text
  • http://mictrogiang.com/userfiles/files/xutiwekitukagolowesotiza.pdfIn PDF document text
  • https://clubelsendero.com/img_pag/file/30234074237.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/41efdd06b73df5657fcce396438df076/80464678559.pdfIn PDF document text
  • https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/53dbd177cfaf3a5558534759a16ae59b/xixar.pdfIn PDF document text
  • https://fundacjaartfreeart.pl/userfiles/file/43012455255.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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