Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://krisoc.ru/uplcv?utm_term=active+passive+rules+pdf+download PDF link annotation

  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/bsdeqg0o3rv23olkl6u7lelo55/vazonanalagozikofodo.pdfIn PDF document text
  • http://pes.edu.mn/ckfinder/userfiles/files/kurizi.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea545c558e---77245431071.pdfPDF link annotation
  • http://riverbendhay.com/clients/4/4e/4e1cbd84181290ddb66fb035c9950ff6/File/91055078417.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/libates.pdfIn PDF document text
  • http://www.drivingschool-brno.cz/files/files/77629039934.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/38847445253.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ec43976f0d9---gajonanipepusipebabexud.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/34204885547.pdfIn PDF document text
  • http://daltan.hu/userfiles/file/guwozez.pdfIn PDF document text
  • https://sofanet.ro/ckfinder/userfiles/files/40572569959.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/pijabiziwapigigefeli.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/pd0jgrlvnukp7i6q9d1efcvu23/44759910925.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/gadutogepudesofosukatu.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/i1802cd6ie6vql821s7l1aot7k/domar.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/c97ceb11e6bd797617895cd6a1e23a3b/7168714986.pdfIn PDF document text
  • http://parkety-patemal.sk/files/file/37224165833.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/b9f8fd46158af55b331b9996ff97ecc3/38692253112.pdfIn PDF document text
  • https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/t0v0e81lno993438v3pb5nbbss/nifomanitopegamufelizut.pdfIn PDF document text
  • https://calmoinc.com/upload/editor/file/xeweki.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/rinaniv.pdfIn PDF document text
  • http://aj-logistics.com/stock/userfiles/file/12365266455.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611edc5a62f81---wigijuvakezuz.pdfIn PDF document text
  • http://dataprint.ie/uploads/file/jilurolevatasixakuxogatar.pdfIn PDF document text
  • http://aloisiquadri.it/userfiles/files/54883163817.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c678f8c0cc4---nikuliximexatoku.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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