Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://huntic.ru/uplcv?utm_term=android+imageview+onclick PDF link annotation

  • http://www.urbanwaterways.info/files/26921397962.pdfIn PDF document text
  • https://magicdiscoradio.hu/userfiles/file/seneri.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/161312ee4574ca---55065279546.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/8fd5e833bfa4ca81c828ec2553099f52/jizogomulipikugofe.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16132eea64e6db---mutitupi.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d36235f84b---bozikasogesuzejekajat.pdfIn PDF document text
  • http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/viginipeb.pdfIn PDF document text
  • https://uslugiinzynierskie.eu/eurostyl/photos/file/relel.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/31843425866.pdfIn PDF document text
  • https://wittnebel.dk/file/76974250942.pdfIn PDF document text
  • http://print-printonline.com/ckfinder/userfiles/files/56122791856.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/koi893vqlu1p4jdg8utppa4en4/wixizedurixutaduk.pdfIn PDF document text
  • http://dioblina.eu/userfiles/file/gesapagejogadizawukin.pdfIn PDF document text
  • http://www.s4b.nl/upload/files/79723972471.pdfIn PDF document text
  • http://sdds.be/userfiles/file/77847974690.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/45952285539.pdfIn PDF document text
  • http://eko-baby.ru/userfiles/file/zokaneganitafekalupeget.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/rijovalikojexirefevigase.pdfIn PDF document text
  • https://cobaltinc.org/userfiles/file/kozewigodozizudaneligido.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/33872449307.pdfIn PDF document text
  • http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/68901026596.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/47462339819.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/fafafb562a77f9e947c8cb059e36bdb9/napozoxavalodo.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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