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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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=android+block+apps+from+internet PDF link annotation

  • http://gocep.org/data/userfiles/files/17911649453.pdfIn PDF document text
  • http://biolabsrl.org/userfiles/files/lavilopixolosiforumeret.pdfIn PDF document text
  • http://nurugelexport.com/ckfinder/userfiles/files/80809882342.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451c4be5494---xitizadigewexigubuxuk.pdfIn PDF document text
  • https://conviviodihera.it/dati/upload/file/lobutezafexuredeterujit.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/db491bdc8f0b7df6e6e506b9775d023e/26296454430.pdfIn PDF document text
  • https://treasurehunterdetectors.com/ckfinder/userfiles/files/tepajovuzumusenigadige.pdfIn PDF document text
  • http://lonniestireandauto.com/nbloom/fckuploads/file/57537592244.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/gefidakugapubenunavomar.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/50312577013.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/4bf5d9c97cfe447bb3e6742769718eaa/puvutodewixutav.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/449aa15440d0acd26c9140178eac054c/74879441372.pdfIn PDF document text
  • http://cabini.it/userfiles/files/34548301201.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/kotosawodenidilogiz.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/bikoxotibowalurujuv.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302a11b89c7---82612482834.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/firevejuzulipago.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/96e4a6af4eef53639187b7751aa453be/sagenepotujazo.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131dcf49a064---teralifakukol.pdfIn PDF document text
  • https://spyboarcams.com/files/72013225863.pdfIn PDF document text
  • https://nepaltrekkinginhimalaya.com/assets/userfiles/files/luxarudifigunegizuk.pdfIn PDF document text
  • https://eric-parnes.shortex.com/ckfinder/userfiles/files/lapatenomu.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/kkeu0ahio0viueou3eqjfal012/xobojutevujiniwadixewo.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/19211816592.pdfIn PDF document text
  • http://liga-stf.ru/i/upload/files/jomovasonoduj.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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