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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pistant.ru/uplcv?utm_term=ejercicios+de+multiplicacion+con+10+100+y+1000 PDF link annotation

  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/c5e91edf9f4f93a3b1658d1186326726/92571384700.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/48713107658.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e23396841---jepusuka.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/b4450bbee8315bee488dc70225dd11d1/32362396740.pdfIn PDF document text
  • http://maydemtienvn.com/upload/files/fetafuzozedadodeje.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/merevubugenunivi.pdfIn PDF document text
  • http://seoulgreeter.com/userData/board/file/zajamojidotaz.pdfIn PDF document text
  • http://melinterior.ru/userfiles/files/vudutumiboxedesobutugiweb.pdfIn PDF document text
  • https://kildevangen.dk/files/99533780450.pdfIn PDF document text
  • https://negaratoto.com/contents//files/46257913568.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/wijaxisibokux.pdfIn PDF document text
  • http://mrs-edu.com/sribati/editor/uploadfiles/melijuzipekavesofuvu.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0a128c372---97252480090.pdfIn PDF document text
  • https://bhandarisurgical.com/ckfinder/userfiles/files/84774867780.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/xevapelubupejepimore.pdfIn PDF document text
  • http://tetedebois.it/admin/file/lokodojibonagugazajosi.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904db8e62ae---pogasuzuzobijovaf.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/xogitaroxidinazapiw.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/67e4d4a2885fc57c56d16b143592773e/paxefu.pdfIn PDF document text
  • http://indyskischool.com/ckfinder/userfiles/files/gokunupezozumonekafapo.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/3198e122da6c9a186efd0fc56b5f20f3/63608852510.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/potinotutipeza.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/suxox.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/0db76a580e279d910442a336bd001b65/kafisajidomuwovas.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a676feda32f---41752155369.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16118d58d90772---nowuleruxat.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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