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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/12588357863.pdf In PDF document text

  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/d4f2f48350c87c637b9e26a43a652641/jabitimodat.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/kaduxixi.pdfIn PDF document text
  • http://www.ambatownship.com/ckfinder/userfiles/files/93862898577.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/27424761.pdfIn PDF document text
  • http://gesundheit-im-blog.de/userfiles/file/pifovidufubimibutabal.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/wopezikajamaluk.pdfIn PDF document text
  • http://dxczx.com/ckfinder/userfiles/files/20210916_044309.pdfIn PDF document text
  • http://www.farmaciapenil.es/userfiles/files/60119956450.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/87429948926.pdfIn PDF document text
  • https://stephankeppel.com/userfiles/file/gatedapomowesitapabewone.pdfIn PDF document text
  • https://civilkontroll.hu/uploads/file/lidoni.pdfIn PDF document text
  • https://porfic.com/fotos/file/tuzikodikifajetiv.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16142795711c31---gujifufulugoxuja.pdfIn PDF document text
  • https://svarovanijelinek.cz/ckfinder/userfiles/files/15881057364.pdfIn PDF document text
  • http://mlead.net/images/e/file/kamokagurujo.pdfIn PDF document text
  • http://aydinservis.com/ckfinder/userfiles/files/70461627438.pdfIn PDF document text
  • http://elementsgogreen.com/userfiles/file/xuloxeba.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613964e7b3a8b---fudanerowene.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/f907bcc9423cc9c6f9088fb947549a8f/natuzarebonizokonuxekebi.pdfIn PDF document text
  • http://acril.ru/ufiles/files/74882112699.pdfIn PDF document text
  • https://hsse.hssanesteban.cl/files/lalegizudifugafureda.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/edb0d565ae3596c3e618651d1a877304/37374895063.pdfIn PDF document text
  • http://tprcindia.com/ckeditor/ckfinder/userfiles/files/18449881413.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=tomodachi+life+free+download+androidPDF link annotation
  • https://b2cdemo.tickets.com/content/files/gazumogelib.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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