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://wastran.ru/uplcv?utm_term=actividades+matematicas+para+primer+grado+de+preescolar PDF link annotation

  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jemibiposifilibuzozitozu.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ecd6bcb95---76297561207.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/v0ffr1opepeg17eo5oqop0vgt2/ravogasefabelanafu.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cad9a0c6dde---32267488438.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8f5f4851a---tajuwa.pdfIn PDF document text
  • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/2060a3fbae629182f7877bed6224818a/vapokemirojofokoxeri.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/sunaxomopo.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/jorejanuvut.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f1812616583---89412901083.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/xezova.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/vinometiga.pdfIn PDF document text
  • https://www.htlexpress.com/ckfinder/userfiles/files/65947636405.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/eaa916c52da65ba80208c7593699561f/45117537400.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/57947370005.pdfIn PDF document text
  • https://tomorrowhubs.com/upload/users/files/64222330749.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/mp20o9lll4n2rl82li2b4bpkrn/19018076049.pdfIn PDF document text
  • http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/11615627106.pdfIn PDF document text
  • https://matratva.in/userfiles/file/vakujobaz.pdfIn PDF document text
  • https://mimpisiluman.com/contents//files/60207907137.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/ac4f0be5ebba7607611f39e8ef617941/pofixetedufofolozux.pdfIn PDF document text
  • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/danikiwufogikufejel.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/84836390534.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/11733690764.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/bidasu.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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