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://pistant.ru/uplcv?utm_term=english+story+pdf+for+beginners PDF link annotation

  • https://rimsball.com/ckfinder/userfiles/files/9774827113.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/99685878510.pdfIn PDF document text
  • https://jurad.eu/files/file/30362918137.pdfIn PDF document text
  • http://achwvs.love-mrt.com/upload/files/68387112899.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/q9bnpo19r4fq59uf8m2c8pjer7/31525995233.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/lnbtic0tiq3m5bg4dk6lellr79/kovepejabenesuga.pdfIn PDF document text
  • http://dreamscar.eu/userfiles/file/12196231738.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/7022669939.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/duzuxodewakejuponix.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/74845252450.pdfIn PDF document text
  • http://erpos.sk/data/files/86644984980.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/58142171452.pdfIn PDF document text
  • http://newo.ru/files/files/21718362388.pdfIn PDF document text
  • http://thelonerangerfanclub.com/ckfinder/userfiles/files/32529067209.pdfIn PDF document text
  • https://liftsystems.ro/LiftFiles/file/32484279518.pdfIn PDF document text
  • https://wupaojichangjia.com/d/files/44283291293.pdfIn PDF document text
  • http://alwaditrading.com/userfiles/files/zudaluwogesurodupe.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a817ba3180---66997673332.pdfIn PDF document text
  • http://gaytonfa.com/upload/files/dumefaberirakamofofexe.pdfIn PDF document text
  • https://pieseautocomenzi.ro/userfiles/file/77140084208.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/waburojuvapozanivozoj.pdfIn PDF document text
  • https://hyosung-gulf.com/uploads/file/61033467234.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/41482998629.pdfIn PDF document text
  • https://chowdhurytourism.com/ckfinder/userfiles/files/rofapokikewobazenalipun.pdfIn PDF document text
  • https://htlexpress.com/ckfinder/userfiles/files/26701628106.pdfIn PDF document text
  • http://jsushibrea.com/uploads/files/86232778781.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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