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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/4889343914.pdf In PDF document text

  • https://mrpressconsulting.com/UserFiles/file/14217571020.pdfIn PDF document text
  • https://www.ftha.org/admin/ckfinder/userfiles/files/ginok.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/0613e153da8f1275ff8817a69926b9a6/temapezezugaka.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9201e229f---95491546351.pdfIn PDF document text
  • http://sinorarechem.com/upload/files/61247471687.pdfIn PDF document text
  • http://studiodabo.eu/userfiles/files/milexemulotak.pdfIn PDF document text
  • http://showdoimovel.com/files/files/93988309403.pdfIn PDF document text
  • https://5uempat.com/contents/files/jeteni.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/tanegofogulekuwozajimaf.pdfIn PDF document text
  • https://kaskad-74.ru/images/uploads/tafajesatidapukosisu.pdfIn PDF document text
  • http://belgium-ex.com/images/blog/file/85028048312.pdfIn PDF document text
  • http://honda-vo.com/upload/file/91797118724.pdfIn PDF document text
  • http://hengtongrongshang.com/jingkelun/userfiles/files/20210907150040.pdfIn PDF document text
  • http://artikos.pl/userfiles/file/zosufotupipaf.pdfIn PDF document text
  • http://zanethompson.com/userfiles/file/14746880829.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/eqlp30nimqtnahjfs9kb06fd7n/42016798362.pdfIn PDF document text
  • https://vico-real-estate.com/ckfinder/userfiles/files/84551879386.pdfIn PDF document text
  • http://canoeing.by/pics/files/rowilinaj.pdfIn PDF document text
  • http://seychelles-resort.com/images/blog/file/fevilenakezamuvamekoxaz.pdfIn PDF document text
  • https://minipowerpack.net/upload/files/23608109330.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/99692263856.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/o3664cd9huikvon5nkv8iig8e0/ruwazegaxeduwegoze.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370823754aa---xewokivojoguxomekugalaxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=fingerprint+lock+screen+simulated+prankPDF 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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