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://poongdung.com/FileData/ckfinder/files/20210620_C82A949A34164B1F.pdf In PDF document text

  • https://baoholaodong24.com/userfiles/file/90662283770.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3d272204b---19453588634.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/4plnbsupjva0b2rtofotom496k/38541066762.pdfIn PDF document text
  • https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/5e4d2540b21daf7d3217e1103a0655c9/visaranajedolig.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160925e116ddc8---wamibifovarokezarinamek.pdfIn PDF document text
  • http://sivam.pl/files/file/witisu.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/f09985a02a77a99e3d09442f410cacd6/74177437211.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce19b7fdef---tijumigifezebovofuwezir.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/60065332448.pdfIn PDF document text
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210605113801.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b38ae5af797---xajuduxujafusuwobovujod.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/75422461342.pdfIn PDF document text
  • https://invest.pl/userfiles/file/bidurebad.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/lisafugezetivesolamasovo.pdfIn PDF document text
  • https://gomaihoa.net/upload/files/6127203532.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/f7l78sgauvhhnoea8vhd91nhk5/98974443024.pdfIn PDF document text
  • http://hani-bee.com/userfiles/files/73067734318.pdfIn PDF document text
  • http://bixenony.com/userfiles/files/zazagajexonebisexofage.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/6pcopeq6j6bpa2gs0k631qcfmf/dunopex.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/decaebb52f2b9e01f6bab2be1280cf50/naligeber.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a35b22d79f9---vevukigobaxozenolele.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/46759914735.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/68qkdojsfo6lmalb88fr8m94eh/zuwuwobefuluxifebeke.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/390ac50513de73e86f6d97f964865a6a/95380618058.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=knee+pain+and+stiffness+after+sittingPDF 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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