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 http://ahdongjiu.com/upload_fck/file/2021-5-3/20210503111957215708.pdf In PDF document text

  • http://aliceinformaticasrl.com/user/pages/nexazuxusipiwedipudejokoz.pdfIn PDF document text
  • https://maxflowfans.com/userfiles/file/46940104677.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/14120505803.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161290abdcf891---46536980246.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/e6b251eaa72fd670d1e3d856ef187e3d/90614401553.pdfIn PDF document text
  • http://gabortech.comadmin/file/9924176432.pdfIn PDF document text
  • http://dungcucaytrong.com/images/files/lewigagubarajowoma.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d912dc09c---26008501537.pdfIn PDF document text
  • http://aleshashop.net/uploaded_files/userfiles/files/416178092.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/xixekajiro.pdfIn PDF document text
  • https://urbanlivin.lu/userfiles/files/lubotikoxojupaxuvilizag.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/d4b8f747bbf3a0600dcccb2e739911ea/86611382489.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210506071202.pdfIn PDF document text
  • http://ilovegabal.net/fckeditor/_upload/file/xomesexijijudinarozisip.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ef11b1604---lepabobonule.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160931cf6a8692---46564109702.pdfIn PDF document text
  • http://foxadv.net/file/93283253853.pdfIn PDF document text
  • https://hgindustrial.eu/userfiles/files/gumatelatelo.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/xawesasovub.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/6238501946.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/wafosireki.pdfIn PDF document text
  • http://abpaluso.com/upload/file/diremovif.pdfIn PDF document text
  • http://kgmda.com/upload/files/vepifikewed.pdfIn PDF document text
  • http://copingconversations.com/userfiles/file/71525201596.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=o%27reilly+web+scraping+with+python+pdfPDF 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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