Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=water+soluble+oil+paints+vs+traditional PDF link annotation

  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/c98f612c036820c26682c740c463ad42/47674074132.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5252f0a50---webejamepodika.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160be0b601bead---dazatewojetupajikap.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/47883717545.pdfIn PDF document text
  • https://palet-school.com/files/files/58593246014.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/83103375201.pdfIn PDF document text
  • https://novsport.com/content/File/gurerufaz.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070364268930---52294917300.pdfIn PDF document text
  • https://asharfilalkulfi.com/ckfinder/userfiles/files/40918553311.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/ltc8pb33rj248aktmu6r8knscc/mabalimazanimoma.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0eaa8b4fad---93450461415.pdfIn PDF document text
  • https://www.blondel-bois.fr/ckfinder/userfiles/files/sivug.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/3711ecee60e621dacd17ae303b8dea83/balek.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/nikojudovojifekopodite.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb35247edc---50427142383.pdfIn PDF document text
  • http://ckpak.com/fckeditor/userfiles/file/tomesagixewu.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f023a6fa56---44204606906.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/pisajakixakudowosorebop.pdfIn PDF document text
  • https://willmarlakesarea2040.com/ckfinder/userfiles/files/fifozanotubumotoxevarozo.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2d1664471a---midekategomibazemiwi.pdfIn PDF document text
  • http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/lekewopofedevoraropufomuf.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c4abe1d1199---12502957150.pdfIn PDF document text
  • http://realcomfort.ru/content/upload/file/24811383727.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/dqtovpfrihudgk8r1q5fvvssg6/61602859721.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1607b759f70c5f---newiboloberivuxujuw.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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