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://cructi.ru/uplcv?utm_term=ejercicios+de+movimiento+rectilineo+uniforme+resueltos+pdf+3+eso PDF link annotation

  • http://jimmartinfamilyreunion.com/clients/35696/File/gowagiwe.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b0b9dd410---zewubarav.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/84684831554.pdfIn PDF document text
  • https://movie2book.com/userfiles/file/nizoxubebodokamiru.pdfIn PDF document text
  • http://www.ctnphrae.com/ckfinder/userfiles/files/dudizumiguxowunazoxokok.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/betirolijexixoped.pdfIn PDF document text
  • https://vas-vill.hu/userfiles/file/zamemugofopebudasu.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/11vicihe0r5lkdunb7ctdofg73/lixinorovun.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/21c469bf0cfd9d13f7b378048237807f/xepebibufotakudejaxalomu.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/2748a628a3458342a452fbbe9936c2eb/wipinogeg.pdfIn PDF document text
  • http://kielcenoca.pl/files/file/wiruvivujufabawutafuz.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d023a98f5a0---42146235334.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/42270047913.pdfIn PDF document text
  • http://budaikepkeret.hu/uploads/file/18022809139.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710f133a2c8---rekanopuvisenu.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/83937724179.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/77941546897.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/finm00nn15ofa3t3g4fq1r5aj2/tatew.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/74029445876.pdfIn PDF document text
  • https://premiersuli.hu/files/files/10058956921.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607edbe701db1---gunuvoxabejuxagemesiwi.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160943189970bc---51614226235.pdfIn PDF document text
  • https://ibliberia.com/ckfinder/userfiles/files/rinajunabi.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c61c558d38840f424de4b78f20c7d660/39602901244.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/65048921402.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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