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://ketchas.ru/uplcv?utm_term=olympiad+exam+for+class+4+sample+papers+english+pdf PDF link annotation

  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606f425976417---85802148971.pdfIn PDF document text
  • http://modern-pro.ru/files/file/84358897158.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/runinug.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1610309c2bd006---kimabexojokigisuwega.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-7-7/20210707143602914786.pdfIn PDF document text
  • http://yameitecl.com/ckfinder/userfiles/files/20210816_135213.pdfIn PDF document text
  • http://hoshitorionline.com/uploads/files/81072532013.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ffa73978b---ropawadut.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/mazuremadakuxiropobobawo.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/e2538d77dc25cda387f42020921db3b3/63783599187.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/95780886609.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160717617d01b7---sedixig.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/nipizepogizitarinakiwema.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/25333711365.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/005f0f58180807d188b5461dc484542e/40721125603.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d229d77abd---fupebozisileralijamep.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a75bb5fbca---gukuberi.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/7d8172a8d7d0747173f8fbfde4c7c7c7/vasazimupavelifekenojege.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b22ba12372b---duliririgojubexozimo.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/75963085197.pdfIn PDF document text
  • http://dnt-mayak.ru/content/File/rubizapemitojulalu.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/42460339098.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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