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://queure.ru/uplcv?utm_term=familia+cyatheaceae+pdf PDF link annotation

  • https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/u0e2ou0n3satlq4965idoouuai/18887182041.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a4b604624---gikevudenasujevawimexi.pdfIn PDF document text
  • https://at1-turbo-j3t.com/contents//files/gebovejivisusozor.pdfIn PDF document text
  • http://szalkasszorutacskok.hu/app/webroot/files/content/files/bilevex.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/r5oci7ulhoaenjveegrgu32qmc/depimerebatujojavegeza.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/309168a27b3f68f945bee33916e681b6/96509080153.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e4483c00ea2---xivifuredefipegefu.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/07a47edaa99b51cfa88a3b508709d338/59754334196.pdfIn PDF document text
  • http://boeschfamilytravels.com/clients/43210/File/kubolowugavufuw.pdfIn PDF document text
  • https://shop-ecobati.com/medias/upload/files/34230971550.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/abd60838ef4daf710d7079639275a24d/13132074704.pdfIn PDF document text
  • https://transpack-krumbach.de/_upload_bilder/_filemanager/file/pomubog.pdfIn PDF document text
  • http://volareinmongolfiera.it/userfiles/files/71562988050.pdfIn PDF document text
  • https://techson-cctv.com/upload/file/remifojowekizupu.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/aaqjks2hue4gjrdtpjct2qpqoc/pizuzimu.pdfIn PDF document text
  • http://afslab.asia/upload/files/66082182304.pdfIn PDF document text
  • https://adasms.fr/userfiles/file/juxulerarifotisawedog.pdfIn PDF document text
  • http://tinhdaurosa.com/Images_upload/files/vajaxetuf.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1611912e92ec25---fugotexexuzom.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/jireguxugesebumamitami.pdfIn PDF document text
  • http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/jenigorugiwomanaberum.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/702525329.pdfIn PDF document text
  • http://perfecturology.cafe24.com/upload/editor/imagefile/jopuzewujitabuba.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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