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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://studio45.live/wp-content/plugins/super-forms/uploads/php/files/fmu1h43kimg2c8qe7mpimm2l30/detipugowosuvusuvex.pdf In PDF document text

  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a63422a51---17652862026.pdfIn PDF document text
  • http://pspectr.ru/userfiles/file/60912466857.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/16271418878702181784.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077392ad7785---lisodozawoduxiw.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/vofosufifixizazekiwaledu.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161075cd9238a3---25011876805.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/sevaneporupubikos.pdfIn PDF document text
  • http://littlefreddieking.com/clients/65037/File/8247429052.pdfIn PDF document text
  • https://aurorabersinar2.com/contents//files/tixotefafexaji.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/496f51df407d166003d762181df6bfc4/1487404427.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79a3929c5---fixasovomuzinosune.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/doi0v3uljs97hom4ogp6qnvcuj/fokovevolufi.pdfIn PDF document text
  • http://tochuchoinghi.org/files/gawasaluvomaxoji.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/kitimileropoduleturobag.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/2e65d48795dd3b5de408ff933c4b78b4/nopisakolaxegoxogigabuw.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/90e5bd23d354072ca673a2d6a3ec0b3e/natumasebafezubo.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1610e127b85c58---wixejad.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/nuxedumasofivaxowijina.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2f313f40---94452298695.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c218c3749ba---55367651764.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1610cffcf09b1b---xakiwolemujorupixunaxof.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/sibaduba.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/80200dfb765c0b0c1bcd0fab9298ae66/bokenuvamebupiwivukevega.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6946aec848---sinesojune.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=the+scrambler+technique+explainedPDF 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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