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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://smidgel.ru/uplcv?utm_term=malayalam+kambi+kathakal+pdf+free+do PDF link annotation

  • https://zd-zeta.com/uploads/files/202110060736021666.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/tjrfcqq8j0q0d06p8cud0op6sq/xukelurulogu.pdfIn PDF document text
  • http://lachambredechos.com/userfiles/file/41215945926.pdfIn PDF document text
  • https://nevjegyzek.eu/uploads/file/75009730753.pdfIn PDF document text
  • http://cameragiaminh.com/upload/files/kosifebejimajud.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161765f0944692---72857352287.pdfIn PDF document text
  • https://roxracing.eu/userfiles/file/15075811101.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/5893018465.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ed7a1b7305---4920544555.pdfIn PDF document text
  • https://airbays.com/userfiles/file/91257422028.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/nomedilugawibonowozizal.pdfIn PDF document text
  • http://tweddlefoto.com/files_contenidos/upload/files/38436012439.pdfIn PDF document text
  • http://narnivet.com/userfiles/files/bonazizoxabudatiwapilet.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161430552c620c---ninovi.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132bb664b1f3---77838395783.pdfIn PDF document text
  • https://equinox-e.com/upload/files/9132211574.pdfIn PDF document text
  • https://xn--fct8ml6mwue.tw/uploads/files/84900828431.pdfIn PDF document text
  • https://www.winsum.frl/ckfinder/userfiles/files/39773684539.pdfIn PDF document text
  • https://zd-zeta.com/uploads/files/202109071830375506.pdfIn PDF document text
  • http://bvphcn.bdata.vn/upload/files/89319547036.pdfIn PDF document text
  • http://geojeoceanhotel.com/userfiles/file/20211102001208.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/61420ba705bd3.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/27517091001.pdfIn PDF document text
  • 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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