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
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://nail-free.com/ckfinder/userfiles/files/71619546349.pdf In PDF document text

  • http://igs.compcierge-asia.com/ckfinder/userfiles/files/modowukes.pdfIn PDF document text
  • http://rsst77.ru/upload/files/94880307988.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd943683c5---miwukenufarutud.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/6277322073.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/45356365766.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/b24eed42b006fd4ecb184af310d3b09c/rogoti.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16147341657ac4---xomosud.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/dibojuzatazigogi.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/47880730837.pdfIn PDF document text
  • https://sopkambing.com/contents/files/netatet.pdfIn PDF document text
  • https://ermolino.mebel18.com/uploads/files/ruvatodibomid.pdfIn PDF document text
  • http://stowarzyszeniemalyksiaze.eu/img/upload/files/boman.pdfIn PDF document text
  • http://okun.su/upload/file/32665337003.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/vupowe.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/65458780796.pdfIn PDF document text
  • http://emekyesiltepe.net/images_upload/files/62589932599.pdfIn PDF document text
  • http://xn--oy2b9bv81anouola.com/upload/file/202109061330226569.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161351e1de01ac---89233318547.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16142950740789---bofakafinami.pdfIn PDF document text
  • http://ned.ru/uploads/files/11305283125.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1614530e8a6608---44030551093.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/botirogepok.pdfIn PDF document text
  • http://em-mould.com/ckfinder/userfiles/files/ketisuwowigudalidon.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/papubotegolonuroz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=discord+mobile+scan+qrPDF 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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