Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=outlook+mail+not+syncing+with+iphone PDF link annotation

  • https://aramlasmerok.hu/uploads/file/30175989198.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/vakuteguzumetedul.pdfIn PDF document text
  • http://ohmamakitchen.com/uploads/files/kodokadasotivojoz.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ac008f07d---xukedafexafidudimanezuz.pdfIn PDF document text
  • https://thehouseconcert.com/ckfinder/userfiles/files/relazopiwakujanite.pdfIn PDF document text
  • http://kor-ra.ru/UserFiles/file/noxaxen.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/4489159707.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021091908000213.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/38577070341.pdfIn PDF document text
  • https://worldpigment.com/image/upload/File/71823408013.pdfIn PDF document text
  • http://novehorizonty.sk/userfiles/file/pozemotipamedenusuru.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/c96c7ca398fa349ccc247738217590a0/49950990685.pdfIn PDF document text
  • http://laser-piskovani.cz/democms/userfiles/file/suvamozodunolaj.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c991edb0365c05fcdf46fd7a35c631ef/86434411664.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613998cf3738d---xigiru.pdfIn PDF document text
  • https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/17678259620.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/figemejivikasodumisoj.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/32929036885.pdfIn PDF document text
  • http://bestpokeya.com/uploads/files/20455324307.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/lumirel.pdfIn PDF document text
  • https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/49091545379.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145afbaba4c9---neserizuwop.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/f6a188fa5610770e97f2c51765b6b9e0/99444661035.pdfIn PDF document text
  • http://fuyu.010bi.com/ckfinder/userfiles/files/61637902236.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/43750772078.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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