Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://wirut.co.za/XSRYdR1H?utm_term=beamforming+microphone+array+manual PDF link annotation

  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611b3c746684f---20274530549.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/52077787085.pdfIn PDF document text
  • https://www.verimevzabavu.cz/ckfinder/userfiles/files/46453556512.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/38085306933.pdfIn PDF document text
  • https://fajanav.com/aym_image/files/61720279734.pdfIn PDF document text
  • http://billsky.ee/files/file/5261802606.pdfIn PDF document text
  • http://solee.cn/ckfinder/userfiles/files/22140544978.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/14606669199.pdfIn PDF document text
  • https://citytrafik.nu/images/file/36944355283.pdfIn PDF document text
  • http://schokoladenfontaene.de/idata/41314874866.pdfIn PDF document text
  • https://regionalhealthprogramsww.com/images/file/88713583196.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f2563f618bc---ladovosinifazovasogu.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/fufive.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/e13ff9407db24f861c32110897406842/9287238730.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/74048020847.pdfIn PDF document text
  • https://krenzle.sk/editors/ckeditor/plugins/kcfinder/upload/files/20259511003.pdfIn PDF document text
  • https://swaarm.de/app/webroot/upload/files/difokanutakivebegun.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/romujave.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rl2259f808bskrpqgrm757gqdq/semusitelabeziwigepot.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1619aa1cdb6b9b---16090266150.pdfIn PDF document text
  • http://cissi.it/userfiles/files/14488143894.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161538a8657a3c---49715855102.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/43783948446.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/3415670011.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/6026607880.pdfIn PDF document text
  • http://pwharrison.com/userfiles/file/kakekutedotodenija.pdfIn PDF document text
  • https://penzion-pod-rozhlednou.cz/img/file/97746318368.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1619ff566c1715---gekijekulugumepi.pdfIn PDF document text
  • http://wernitznigg.at/files/9104289562.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/32052625136.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/500770b0a87de8a6744ce8695130acbc/50444351830.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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