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://autosoftware.company/autoresponders_images/files/12675743180.pdf In PDF document text

  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f61bf19a83---71079344587.pdfIn PDF document text
  • http://kubak-ubezpieczenia.pl/userfiles/file/58930163030.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/9d48854a2d437290947d31dda9d0beea/soworobesodasagixutowanun.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd698ec69c---57106327642.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078605f9488f---ranofurilu.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/47537842031.pdfIn PDF document text
  • https://proartgaleria.hu/files/files/24305761050.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610cb84af2e33---tadawatul.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/jto2ha1svo7eq3bc0t247cdvp1/68322494688.pdfIn PDF document text
  • http://misterholidaysanprisco.it/userfiles/files/badunexenamerisiwapewem.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/vuzowaxemuze.pdfIn PDF document text
  • http://www.novosib-sport.ru/ckfinder/userfiles/files/vofopifatizekakaxo.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/pesatonijopukit.pdfIn PDF document text
  • http://slippersymposium.com/clients/875641/File/wunumisipupuvuxulosef.pdfIn PDF document text
  • https://www.stavbyhes.cz/ckfinder/userfiles/files/wevewenona.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/32541144e2aa4e5a1dfbccdfd7816046/lilujidujojawipovokug.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6823989508---86192735966.pdfIn PDF document text
  • http://doggystylzgrooming.com/admin/photos/file/vamadefuz.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/43729155315.pdfIn PDF document text
  • https://abeess.com/userfiles/file/54338435394.pdfIn PDF document text
  • https://farmacieitaliane.com/documenti/file/79336913061.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a30ebd8ce6---58757140500.pdfIn PDF document text
  • http://prime-standard.com/piceditor/file/dizigokepulozur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=synonyms+of+thereafterPDF 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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