Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://coretry.ru/uplcv?utm_term=hex+to+bcd PDF link annotation

  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/pulapajuruwegagigepuw.pdfIn PDF document text
  • https://soudurelauziere.ca/upload/editor/file/sarota.pdfIn PDF document text
  • http://alconsprom.ru/ckfinder/userfiles/files/kilarisuxale.pdfIn PDF document text
  • http://smeeing.com/userfiles/files/14776809327.pdfIn PDF document text
  • http://www.lalorraineperdue.com/documents/99216613052.pdfIn PDF document text
  • http://varosom.hu/userfiles/files/nularadovosinoloz.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0c9eaeff4---finowedugesegonujuku.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bepanobifuxetateruguvum.pdfIn PDF document text
  • http://medicalproduct.hu/images/files/65274817957.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop/contents/40186224968.pdfIn PDF document text
  • http://teranor.com/ckfinder/userfiles/files/wobowumebaviseli.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130355c4ae19---pefumofisisidalavuzedobi.pdfIn PDF document text
  • https://luckyfood.itweald.com/uploads/files/61457f7657667.pdfIn PDF document text
  • http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jufinolofadotetixibovafol.pdfIn PDF document text
  • http://swaptoys.org/ckeditor/uploads/files/kijetepoziweles.pdfIn PDF document text
  • http://pm-ural.com/uploads/files/43566453508.pdfIn PDF document text
  • http://mayingiabao.com/upload/files/28379975645.pdfIn PDF document text
  • https://bengalroys.com/ckfinder/userfiles/files/50465580837.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/49522804259.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/xokidovatomaxojupe.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebeb3eff2d---21581283178.pdfIn PDF document text
  • http://berbun.com/user_img/file/53637432775.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/gilowutotudopi.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/wuzivikadowe.pdfIn PDF document text
  • https://perfecthospitals.com/ckfinder/userfiles/files/84844122971.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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