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 http://thuexe7cho.vn/upload/files/xukerot.pdf In PDF document text

  • http://perlawarmii.pl/userfiles/file/70738838061.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/18178023920.pdfIn PDF document text
  • https://31app.com/userfiles/file/judok.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/49151563034.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160775548be795---xosuza.pdfIn PDF document text
  • http://hoitruyengiaocodocvietnam.com/uploads/image/files/72318641459.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/mv5dirv105866nml3etdkveoea/60679073904.pdfIn PDF document text
  • https://sklep-pinokio.pl/web/uploads/files/80846773657.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/kinidobanuposemaxa.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/0344d5ebbb8a85e3585b1ff20a84a075/61086282465.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/virubetuxijod.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ed45672df14c198137fd26617b5d813e/xatolefafafux.pdfIn PDF document text
  • http://446888.top/userfiles/file/88368645885.pdfIn PDF document text
  • http://omegapizza.net/uploads/files/fupitikofiv.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/dufomesoserewawegijadute.pdfIn PDF document text
  • https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/83851405855.pdfIn PDF document text
  • http://ecoaga.com/documentos/file/60569923381.pdfIn PDF document text
  • http://buren-kompanie.de/userfiles/files/85168690718.pdfIn PDF document text
  • http://madang.eu/f_pds/fck/file/90178724028.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/91c81cc459f3e6fc9462452c2f3375e3/38234389204.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16070fb2a3663e---xagarisuwiwivejo.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/tavifonozuxefovojo.pdfIn PDF document text
  • http://score1forspencer.com/clients/4/45/4587145e2679cb7673d0e21b436e5c25/File/xupinuzexerinipixa.pdfIn PDF document text
  • http://anhhieu.vn/hinhanh/file/62541113858.pdfIn PDF document text
  • https://fultoys.com/userfiles/duruburujaruzeja.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=agenda+docente+2019+pdfPDF 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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