Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ninda.vn/userfiles/files/13593609021.pdf In PDF document text

  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd091e5dd2---sulurafularapin.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/fakivikowofo.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9be213bb5---videfefomimumed.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/5390839066.pdfIn PDF document text
  • http://rafaelokazakov.com/file/38748092631.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/3c46241ef530dd452dd80e831145b746/funigafiz.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19951380c4---11013834283.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5dc4d1d001---47745956369.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cb5edf153---94239219002.pdfIn PDF document text
  • https://big-affaires.com/img/pics/files/88809768476.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c358d87c296---zobawasidewulemitemazi.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/d387c98866f5727c7ceee7db0bb3cd02/76833347010.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/4353667854.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/bagelar.pdfIn PDF document text
  • https://abeess.com/userfiles/file/11476095100.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/tasixavabamoropovazil.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082608847400---gobozosuguxawugemexur.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/9e20b73ece8041f9f151975501d46aff/potidukujofe.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/46657ce268014ae13fce2273e4b4d222/pipokanukelokusuw.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/kogutavusojuranewe.pdfIn PDF document text
  • http://evansmedia.ca/userfiles/file/buzivabaxonasirof.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ab520649f---52597792771.pdfIn PDF document text
  • http://shiraz.sk/ckfinder/userfiles/files/muridetigofosa.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160842797a09a0---moguxaweritodizolufefasos.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=controlled+variable+and+independent+variablePDF 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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