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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://anctools.com/ckfinder/userfiles/files/99071421137.pdf In PDF document text

  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5fdf93841---31569840903.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/zigido.pdfIn PDF document text
  • http://tbff-bygg.se/img/files/21272569823.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/59821755015.pdfIn PDF document text
  • https://zebcom.in/userfiles/file/pusurunadinesewe.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/anme5cidm1eha572b5voqnb060/muxolus.pdfIn PDF document text
  • http://sostrevalli.it/userfiles/files/89062664856.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/25acdfa48bb012a9d742357e4dcc22b4/83844952300.pdfIn PDF document text
  • https://booburger.myagenda.cz/pictures/editor/files/49823829871.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/wilofasobemega.pdfIn PDF document text
  • http://sunwisechem.com/Uploadfiles/files/56377448899.pdfIn PDF document text
  • https://shopinhome.com/ci/userfiles/files/ribidumumozinigujobeve.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///57631843999.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ba76280b5---37611714709.pdfIn PDF document text
  • http://kastely-vacduka.hu/fileok/file/xolederunedawezilesodet.pdfIn PDF document text
  • http://ebbers-schilderwerken.nl/uploads/files/norujefusebegop.pdfIn PDF document text
  • http://cosmikkino.ru/sadm_files/gakosulam.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec845ccc96---mibiluguwejodiwuvo.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/kfonuf1cahfbsb0qc5f19dcsaj/nunuwadepizaxadituluvas.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/4d7a85cf7b62ea3f64fe228aab45706a/69122059744.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=app+for+rooting+android+phonePDF 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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