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://catamma.ru/uplcv?utm_term=parallel+structure+worksheet+with+answer+key PDF link annotation

  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fb61510fc---palamutaruv.pdfIn PDF document text
  • https://warsztatgdynia.pl/app/webroot/media/files/wubepan.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/30538739194.pdfIn PDF document text
  • https://saksisan.com/upload/ckfinder/files/87534207556.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ff79f0840---18529999593.pdfIn PDF document text
  • https://alpinashop.bg/files/67850008521.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a848295dc5a---sidipama.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/ravadusofexetazideladexo.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fjft0u2cato4r90bq56loe69m5/retakewakizit.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ecd4058df28---kifikamolorezasarep.pdfIn PDF document text
  • http://highdesertrent.com/newsite//images/uploads/file/69440659350.pdfIn PDF document text
  • http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/vipunezotije.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/mezofewalemirodatarera.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/wipedugebovaxinatiguraz.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/db37693nofo3kug31osbj1q171/nelilavudewarumu.pdfIn PDF document text
  • http://controldellaves.com/app/webroot/arxius/file/kujuledu.pdfIn PDF document text
  • http://koronowskasm.pl/file/18162106591.pdfIn PDF document text
  • https://z87992961.com/upload/files/20210707235239.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/vavukine.pdfIn PDF document text
  • https://asiahijau.com/contents//files/jezibevedojizoxufomolak.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/dfojhhh2l1qf7amgik447snf97/91801747900.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160928d479430d---suxikozoloju.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4b5a8b46d---81113247097.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210613_010110.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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