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://coretry.ru/uplcv?utm_term=top+share+apps+for+android PDF link annotation

  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/43696002617.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161375fb5c6409---tiduxenudodipoje.pdfIn PDF document text
  • http://kfoodntea.com/dataroom/file/sipikilibeki.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/61772596435.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/75078249522.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133beab281d9---92196784567.pdfIn PDF document text
  • https://biroestarsa.hu/uploads/file/konawemipeki.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/11515931438.pdfIn PDF document text
  • http://studiorumeo.it/userfiles/files/31748090217.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/s4sck0liuedglql9au5785r64r/4732485902.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136110e86fc2---6348110556.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613575dc90382---11061192488.pdfIn PDF document text
  • https://concertwristband.com/resimler/files/78145145594.pdfIn PDF document text
  • http://asiadomainstore.com/userfiles/file/94678920316.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec07c9d68a---zupakasujo.pdfIn PDF document text
  • http://xn--q20b13r9leepaeb.net/upload/file/202109010924081434.pdfIn PDF document text
  • http://galaxyjewel.cn/uploadfile/files/mokigupugimitobaladas.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/77102066233.pdfIn PDF document text
  • http://didopack.com/files/maxuvixoxex.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/wejemubujin.pdfIn PDF document text
  • http://quranday.org/userfiles/file/vunabudozetur.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/16208129955.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/3822509491.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/37360858255.pdfIn PDF document text
  • http://csp.hu/editor_up/10668545247.pdfIn PDF document text
  • https://sergiomauri.com/images/file/28555512143.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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