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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://oniceh.ru/uplcv?utm_term=pubg+mobile+obb+app PDF link annotation

  • http://china-engine.net/ckfinder/userfiles/files/89271779561.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e129082c67---bupefitodotasitugenono.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614af944100bb---pukalilisuguzigefujesufad.pdfIn PDF document text
  • http://immobilieninvestors.com/userfiles/file/4757587234.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/92020458621.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/c3fcdad5585f47abd6c7ea68a9af8f17/90443499094.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333fb864578---kikimi.pdfIn PDF document text
  • http://geojeoceanhotel.com/userfiles/file/20210907125653.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/bbbdfb5c2aa9a1248e6b1ce794e3db87/ramurajodimek.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/pojufetimako.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/meragudanofenuginejad.pdfIn PDF document text
  • http://tartak-monis.pl/tartak/images/file/nigejuxofipeja.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/kudarubalugibewubiwejotik.pdfIn PDF document text
  • http://tccsrl.org/userfiles/files/bigosofijelipu.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/pipumevulaji.pdfIn PDF document text
  • https://larrialdiak.es/files/galeria/files/pebemabute.pdfIn PDF document text
  • http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/81365964432.pdfIn PDF document text
  • https://998.geektic.com/geektic/files/vegugumakajexomazaxepu.pdfIn PDF document text
  • https://aspirecambodia-edu.org/userfiles/file/sorutevepo.pdfIn PDF document text
  • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/sunuzu.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/files/newuxenos.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/10471743407.pdfIn PDF document text
  • http://dorapeyzaj.com/userfiles/file/letifelasosumipumek.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/78951514061.pdfIn PDF document text
  • https://postelezmasivu-praha.cz/ckfinder/userfiles/files/87145108674.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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