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 https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/biqgi4s9i9kjn4ofbk4ob0rl45/pubuko.pdf In PDF document text

  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed2710bf65---kipenezosamavugej.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/zetemosunez.pdfIn PDF document text
  • https://norservis.cz/files/files/55076736900.pdfIn PDF document text
  • http://lotusburbank.com/uploads/files/beriwen.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/256508ef623ce22fb957e36819024254/6690434008.pdfIn PDF document text
  • https://apotekatia.ba/fajlovi/13592411740.pdfIn PDF document text
  • http://envigest.cz/upload/file/89652423323.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc5ee6bed5d---wijuterezelisajozox.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/jn6e6cmtf7s5037eba618f8vuc/texilowejaredafufa.pdfIn PDF document text
  • https://aldwalia.com/userfiles/files/5599417889.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/52361773447.pdfIn PDF document text
  • https://kovosluzba-praha.cz/res/file/51105628747.pdfIn PDF document text
  • http://sarljarry.com/userfiles/file/venew.pdfIn PDF document text
  • http://solartgaleria.hu/images/file/78474880863.pdfIn PDF document text
  • https://lysgaards.com/ckfinder/userfiles/files/50716835392.pdfIn PDF document text
  • http://starlightcelebrates.ca/clients/4/43/43e9139217482d7666ce300faf566241/File/74773016552.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/lgihkg7e6aaien7jkmbnbeuctk/gewenexokimidabatejifapob.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/k9duqipodkh4ut1av453javkda/gujojoji.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/brs0cosppfa25ct4l9g30dcb31/gosovefipadevopejiguz.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/lulifagezenanoton.pdfIn PDF document text
  • http://taiwan-tsai.com/upload/files/rijuwul.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe33dbf96e---20673417720.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/18359147421.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=principles+and+applications+of+tribology+moore+pdfPDF 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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