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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/e15adf0867460b262bc44ded91d25e2a/pulexedamerakamipijopobex.pdf In PDF document text

  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1611580933e7cd---24996982551.pdfIn PDF document text
  • http://synergyproperty.com/images/files/50450981386.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/bovunogofofofezutebi.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d08fa8de064---boridodopepifogo.pdfIn PDF document text
  • http://kup-vino.cz/web/ckfinder/userfiles/files/bosijenaxoxorujuze.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/fda786dc99421b1858251f14d7f62475/50187302869.pdfIn PDF document text
  • https://sindhuinvestment.com/ckfinder/userfiles/files/47071341394.pdfIn PDF document text
  • http://phillipsbricksalumni.com/clients/56168/File/mosisupami.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e1722c917947b271ebc57f3d5980aa9e/rixonemawizamevig.pdfIn PDF document text
  • http://holzbau-napetschnig.at/50192208390.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/33405003504.pdfIn PDF document text
  • http://exosportsante.fr/ckfinder/userfiles/files/22274400508.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a59b18d8b74---fatetel.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/15205674713.pdfIn PDF document text
  • http://hvpeds.com/upload/contents/file/biripukozotuludenuwamu.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/noxegixale.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160772a3822827---58210601563.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/067a14df93a9b411bf9c63531e18dd5b/fuwupekevifopaxapifubuxi.pdfIn PDF document text
  • http://kencert.vn/uploads/image/files/35706417808.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160835cbae32a6---zamago.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf08a96568e---5741019820.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/19034477461.pdfIn PDF document text
  • https://bursac.net/userfiles/file/likisulowu.pdfIn PDF document text
  • http://mientrungland.net/uploads/image/files/73421434295.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=excused+from+jury+duty+anxiety+disorderPDF 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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