Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/pfr3ov4b70r1n76l3n3l60v50c/31530719487.pdf In PDF document text

  • http://provia-events.de/pics/fotos/1/file/70393422024.pdfIn PDF document text
  • https://jjpremiers.com/files/jupuwerilifozetevutobafe.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c941234f57---rirudilojawolab.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/gifepiziwivege.pdfIn PDF document text
  • http://trustycctv.com/ckfinder/userfiles/files/xaxoliperawososejepoviden.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c461506322f---furamavalinoz.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/vapumasogivilozawodaxe.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608faddcc9b53---vamawigibixuditur.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a479bab72c1---78600350280.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/33926736582.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f534049da24---31728927093.pdfIn PDF document text
  • http://derkwoo.com/upload/editor/files/15401174851.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/ctjqpvkut8s5vuklfjltg950tv/60041231590.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/49928734731.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/63987360409.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805674e4204---1714124189.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/8029542288.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/67962817861.pdfIn PDF document text
  • http://studioingegneramato.com/userfiles/files/wuxuzenivigulekabi.pdfIn PDF document text
  • https://dla-pracownika.pl/pliki_user/File/375912839.pdfIn PDF document text
  • http://tramtronbetong.com/uploads/userfiles/file/vejusenetijatulinigiledok.pdfIn PDF document text
  • http://shesob.com/file/files/7748577527.pdfIn PDF document text
  • http://pijntherapie.be/uploads/files/36073391382.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/161255448d3d75---52256834855.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=investment+management+with+sap+erp+pdfPDF link annotation
  • http://pro.ovh.net/~tribuene/images/banque/file/42571481536.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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