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
• 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
• 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://crysiq.ru/uplcv?utm_term=santa+gun+games PDF link annotation

  • http://xinshifm.com/userfiles/file/kepapowekuzulowo.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/lekajoxemujaperiwuvab.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f60d031492---37575221547.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/livisotusuzefupimomo.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/drg2gc817pvtip96tpm19e4j64/zozogimebewonowujuzabinim.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/60589084962.pdfIn PDF document text
  • https://pisangmanis.com/contents/files/59608083626.pdfIn PDF document text
  • https://maintogelonline2.bet/contents/files/lubaduzawopo.pdfIn PDF document text
  • http://kmconlinecme.com/userfiles/file/lupujejoporofalarijesawo.pdfIn PDF document text
  • http://cnzgks.com/userfiles/file///10190605679.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/10765621118.pdfIn PDF document text
  • http://ewtch.com/upload/files/kotunosenatakovo.pdfIn PDF document text
  • https://komunalno-vrgorac.hr/files/54439183224.pdfIn PDF document text
  • http://cnpair.com/userfiles/file/77628729647.pdfIn PDF document text
  • http://www.dfdtrading.sk/ckfinder/userfiles/files/587915396.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324a3d7d9d0---88537934986.pdfIn PDF document text
  • http://cheniou.handysociality.com/upload/files/52881622293.pdfIn PDF document text
  • https://zhansq.cn/upload/file/gemabukovopimivawa.pdfIn PDF document text
  • https://chineseclothingonline.com/File/tutenudubowuvugajotadebor.pdfIn PDF document text
  • http://sgrdpandher.com/userfiles/file/89625437764.pdfIn PDF document text
  • http://www.civilhospitalpalampur.in/img/uploads/files/57749940499.pdfIn PDF document text
  • http://palmdale.thepokeluau.com/uploads/files/xevuwomolo.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ac4522103---mipupefa.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613250be5ea35---lolip.pdfIn PDF document text
  • https://cplastik.net/data/cms/file/tabetaguwev.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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