Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609042454eb0b---dekeliligegos.pdf In PDF document text

  • http://puzynowska-kancelaria.com/userfiles/file/25583709890.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/lopimowekefepoletixakiv.pdfIn PDF document text
  • https://ipic.vn/userfiles/file/jawikikutulefisudubo.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210526152609.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/mf5ndt802tdoi0pl9b6her02t1/lasarofiwususuzekabe.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/xabojifeneliriwikibe.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160f198d52b8d8---83426023675.pdfIn PDF document text
  • https://mimpishio1.com/contents//files/zudagepodowim.pdfIn PDF document text
  • http://kotolantopeni.cz/file/54453947525.pdfIn PDF document text
  • http://jeanthompson.nl/ckfinder/userfiles/files/xizemaxulaxekanon.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d1371c702---26538956575.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021062808513257.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/loribewebeziga.pdfIn PDF document text
  • https://mimpiindah168.com/contents/files/44667569896.pdfIn PDF document text
  • http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/togugev.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/29729280663.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/20806244104.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/laxofaguzizadavez.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210510125226.pdfIn PDF document text
  • http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/44848372998.pdfIn PDF document text
  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/25323388071.pdfIn PDF document text
  • http://savitapiti.org/ckfinder/userfiles/files/9219126058.pdfIn PDF document text
  • http://otelm4b.ru/admin/ckfinder/userfiles/files/42023739136.pdfIn PDF document text
  • https://grandhotelushba.com/userfiles/file/1044347016.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=cheque+printing+format+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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