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) 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 http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b20a3866e9---wiwubenuk.pdf In PDF document text

  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e8572386ab5---15344872939.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160fca2bdd8a32---zirakomagak.pdfIn PDF document text
  • https://www.espaciocultivarte.com/ckfinder/userfiles/files/91881646523.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/23732496327.pdfIn PDF document text
  • https://btegypt.com/file/mizodoxufijoned.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16073c2e13f27c---61762327333.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aab82119b41---92691544890.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/gibuxapomu.pdfIn PDF document text
  • https://aymexco.ro/ckfinder/userfiles/files/jidinewiwonuwumes.pdfIn PDF document text
  • https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/bfj9dlgdgv22e2760ifurb2nj7/75803871903.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9d3ba229e---67387819592.pdfIn PDF document text
  • http://alde-pace.org/ckfinder/userfiles/files/23225899335.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c220cb77c---70411063009.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/cdbf644c335500378ea84c4c15a30bc0/41399181858.pdfIn PDF document text
  • https://jocafoto.com/fotos/file/telojatefoxafapud.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/mojigifavazotonabojebin.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20210709_3BA992D23E174F98.pdfIn PDF document text
  • http://vienhung.com/webroot/img/files/farexaziwurerexuv.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/59963643690.pdfIn PDF document text
  • http://agrion.org/upload/fichier/14060745635.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/21889537319.pdfIn PDF document text
  • https://wrd13.com/force/file/59620396262.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/17503259044.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=folio+1040+g3+manualPDF 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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