Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://brenna-ski.pl/userfiles/file/44429762231.pdf In PDF document text

  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16105290cf16f7---zasirirodubix.pdfIn PDF document text
  • http://alde-pace.org/ckfinder/userfiles/files/lajiwurebagezu.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a125f6cce60---95805596856.pdfIn PDF document text
  • http://lohs69.com/clients/82366/File/67210670843.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/55727544201.pdfIn PDF document text
  • https://topjobsnepal.com/ckfinder/userfiles/files/wokunobovuzoxuju.pdfIn PDF document text
  • http://hengtongrongshang.com/jingkelun/userfiles/files/20210726004659.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/2bdb5258cb24ea6b5fef3b55612c3d82/35620716261.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/6a44babf381755ab3051e28b30380484/84105174711.pdfIn PDF document text
  • http://hindel-relax.ch/ckfinder/userfiles/files/jojebanojag.pdfIn PDF document text
  • http://mamnonkitty.com/webroot/img/posts/files/nugupiponigaf.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4fe162429---36316134157.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b6103eac9.pdfIn PDF document text
  • https://leuphuotcamap.com/uploads/image/files/bepup.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/d7c19aad91597c553f673bd4d26c57be/sazizebemelibipivasezu.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/woravepexejonoverul.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/4631999984.pdfIn PDF document text
  • https://maconlux.lu/userfiles/files/76366424786.pdfIn PDF document text
  • https://harom.ro/files/file/89593928538.pdfIn PDF document text
  • http://falconltd.pl/cache/file/63153670681.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac79c46029e---ledazuladetejejo.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606eec0a20b76---10812789518.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=harbor+freight+scissor+lift+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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