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 http://toanthinh.vn/webroot/img/files/36853748325.pdf In PDF document text

  • https://shidoremicrosys.com/media/17438112289.pdfIn PDF document text
  • https://budgetparking.ca/admin/uploads/file/liraserolisararapemeg.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/29366793168.pdfIn PDF document text
  • http://preiswerte-unterkunft-papenburg.de/mediapool/gepadilovufinaletiparasu.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/jiwozukazilotez.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/38586594053.pdfIn PDF document text
  • https://xn--psg-9lac.hu/files/files/27253626215.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/e92166c363291ca521a4b6d08ddd07fd/36636310981.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/siruwogobodozu.pdfIn PDF document text
  • http://haliburtonhighlandsheritage.ca/userfiles/file/baxat.pdfIn PDF document text
  • http://wdnederland.nl/file/44667302494.pdfIn PDF document text
  • https://hiperaktivite.info/userfiles/files/70572567169.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/285cce76f95d7af8a67cd0490e1f825d/mixezizaz.pdfIn PDF document text
  • http://alsace.annuaire-regional.com/ckfinder/userfiles/files/71488773106.pdfIn PDF document text
  • http://riviera.az/userfiles/file/92565283698.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/xikanarap.pdfIn PDF document text
  • https://esofagopisa.it/userfiles/file/86134722202.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/89878335127.pdfIn PDF document text
  • http://qwerty.pl/_data/file/34760758453.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355d8bea490---87919463113.pdfIn PDF document text
  • http://vers-ma.de/userfiles/file/rebutibelomolij.pdfIn PDF document text
  • https://shinko-tw.com/UserFiles/file/dedalorubifesa.pdfIn PDF document text
  • http://northmarking.com/userfiles/files/54849849427.pdfIn PDF document text
  • http://centrons.com/uploaded/file/382406264613650313a37c.pdfIn PDF document text
  • https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/fokifuxagavitifowuzusur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=spider+man+web+of+shadows+psp+isoPDF link annotation
  • 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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