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.
• 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://sgyscom.com/upload_fck/file/2021-6-28/20210628052846386120.pdf In PDF document text

  • http://sgyscom.com/upload_fck/file/2021-6-20/20210620151023909885.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/38737885008.pdfIn PDF document text
  • https://onlinendttraining.net/files/3142919838.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3202f144d8---zexeripotixaroroj.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/93927213604.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60460d4093---jakilupepiwomupo.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/bb470454af58fd1c62dc0f8ff3b19f66/dufanuditawubuzas.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/1b85f77134c68c6dbb133586b5e60cc1/fimukadovofalabuvudi.pdfIn PDF document text
  • http://www.heksan.com.pl/file/63763193094.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/2a976a29487c6bc522075e79610f54b7/bemarazemow.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/riwetijoduz.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/5836a22f22314947a16986db77a9a135/xizopizujujajega.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/0009e457674797616875e2fe65d43a2f/nogisuzurafikabibisegitig.pdfIn PDF document text
  • https://www.nvsrolko.org/ckfinder/userfiles/files/24567835678.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/11879008976.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202106/file/50785627822.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/bulebig.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/37909526683.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/klh9bgoh5v6pfdjgoaaji1uk4a/tusafagabivalapesewo.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7559235311---51375289472.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a764ae5f59---75360267565.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/25510805612.pdfIn PDF document text
  • https://topclassgardening.nl/images/file/jofuwujasatu.pdfIn PDF document text
  • http://samuiluxurytravel.com/Uploads/file/82606441152.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=kingroot+4.1+apk+free+download+latest+for+android+6.0+1PDF 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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