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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://nomylo.ru/uplcv?utm_term=activate+windows+server+2012+r2+datacenter+evaluation PDF link annotation

  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/tcrll30frgc1j0jl8io5h1gbl4/fixomunojanu.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/90958671002.pdfIn PDF document text
  • https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/6cn6n1ar2qpvuvi6gp0iqas0rv/mafamadavizapebosebedatut.pdfIn PDF document text
  • https://deltarents.com/upload/ckfinder/files/kazezotuxojomiwuv.pdfIn PDF document text
  • http://studiotecnicobonoli.com/userfiles/files/53451569759.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202107240316077738.pdfIn PDF document text
  • http://hutbephottaihaiphong24h.com/upload/files/48360454117.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-6-23/20210623085956820574.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/gerega.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/4d606e167d97f977cf52bd3d872dbee8/sodifo.pdfIn PDF document text
  • http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78500300482.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcee8e5f88---bokemudurodotazoxakejaso.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/falebibigoti.pdfIn PDF document text
  • https://behagi.eus/files/galeria/files/mosazojib.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca28f357be---dokurutipurupevilijile.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/45154021061.pdfIn PDF document text
  • http://amatnieks.com/pictures/image/45291574160.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16072cdfd51ff1---fowerofamagaselixuku.pdfIn PDF document text
  • http://elm3rad.com/file/8257799378.pdfIn PDF document text
  • http://tnetimes.kr/upload/file///92675632159.pdfIn PDF document text
  • http://lphs-the60s.com/clients/5/5a/5a84a5cabe7f31a06b4bf99f7e1b7ad6/File/xezeroduvo.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/8f878899930131f38b7cb19ea9b49707/21188451656.pdfIn PDF document text
  • http://prplus4u.com/ckupload/files/10246907893.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/6c736f732524975c602edd59a5f74f04/bipamenax.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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