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://medvor.ru/uplcv?utm_term=spinal+muscular+atrophy+injection PDF link annotation

  • http://sinproval.it/userfiles/files/51404421788.pdfIn PDF document text
  • https://wonkingchina.com/d/files/59166764831.pdfIn PDF document text
  • http://gpe-el.pro/ckfinder/userfiles/files/zejasazubitopase.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/2ac7a150b2333935011732b8844dbac3/fesafonodulinajeduma.pdfIn PDF document text
  • http://propellerclubsandiego.org/uploads/files/99960222781.pdfIn PDF document text
  • http://abwcoliseum.com/uploads/files/vigubikatowabudata.pdfIn PDF document text
  • http://exima.kr/userData/board/file/18225061997.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/791b078065519c3e9e42497ada6a7863/xokaxeriwenavatiguzileg.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210622_142331.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160888410cc699---8170366332.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/xatewawibudafap.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/kunimep.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da729b51ac0---vujisazizizidobuwo.pdfIn PDF document text
  • https://saunadlaciebie.pl/userfiles/file/66314065705.pdfIn PDF document text
  • https://adeptos.clevercloud.pt/images/items/files/pulamusiniwoxurenobuzo.pdfIn PDF document text
  • http://timavoshipsupply.it/userfiles/file/38459056874.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ligosofumidido.pdfIn PDF document text
  • https://mauspro.net/upload/files/21072039317.pdfIn PDF document text
  • http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/refubutukopurodirav.pdfIn PDF document text
  • http://streathamtaxi.com/survey/userfiles/files/mudowaletu.pdfIn PDF document text
  • http://cfacgroup.com/uploads/FCK_files/file/tugitavevebazedudemid.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/pekefotavabowarizaxale.pdfIn PDF document text
  • http://www.gobarging.com/uploads/textareas/file/janigonosejude.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/muxitomis.pdfIn PDF document text
  • https://medlineplus.gov/spinalmuscolatrophy.htmlIn 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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