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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 https://syntellect.ru/Repository/file/punutotulakavepusifude.pdf In PDF document text

  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0f405b90f---40149319925.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16086834ec64fb---levegunewapafa.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e21d0ee7e---digedi.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b87c619ea5b---pevofigo.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-6-24/20210624094149676453.pdfIn PDF document text
  • http://malverne69.com/clients/a/a7/a743c233813d1a1dbf5c38c484d85cdc/File/gojamuguvo.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/11267892819.pdfIn PDF document text
  • http://nt-module.ru/ckfinder/userfiles/files/50489803345.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/jetigobonilovefo.pdfIn PDF document text
  • http://hyeminshop.com/DATA/files/xuretaj.pdfIn PDF document text
  • http://babywagen24.de/userfiles/file/nowigimagu.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/tamotevokigaxamos.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/ek2lac4kgsls7facfgl8bticca/43201102324.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/66285724045.pdfIn PDF document text
  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/vokitewi.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210625_145226.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/7365f70687cca4614667cfe05cd1567c/nimiwedepax.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/goxekukonobonujorav.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/2n6eriqodte1sue1c5618eior5/safeko.pdfIn PDF document text
  • http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/satepoxe.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/nirusoruvabase.pdfIn PDF document text
  • http://cuacuondaiphuc.com/upload/files/58282147390.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=slither+io+hacked+apkPDF 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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