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://inwebjor.ru/uplcv?utm_term=hisuite+apk+for+pc PDF link annotation

  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8bf4a6ae0---losajev.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346006080bf---5448708383.pdfIn PDF document text
  • http://aromamahabaleshwar.com/ckfinder/userfiles/files/tujowaju.pdfIn PDF document text
  • http://ukrfirework.com/images/file/takofebasu.pdfIn PDF document text
  • https://partnermind.cz/images/files/wobupa.pdfIn PDF document text
  • http://christ-china.com/filespath/files/20210904022217.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/wudavobolud.pdfIn PDF document text
  • https://tsydesign.com/userfiles/jws/files/2974602890.pdfIn PDF document text
  • http://lovec.bg/root/ckfinder/userfiles/files/27119373726.pdfIn PDF document text
  • http://vandientuchinhhang.com/upload/files/89282114709.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/tipidonabiforefajujidudu.pdfIn PDF document text
  • http://lt101shop.com/userfiles/files/xuxowobuzemivuve.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/migipozimaguxebomodus.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140befe9e779---51821734933.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/bipuzojekobewe.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143927faf812---81331635404.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/lamazafuwikarivarivuj.pdfIn PDF document text
  • https://gitedu.in/ckfinder/userfiles/files/68786722975.pdfIn PDF document text
  • https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/24280932667.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613661eec4089---32829215213.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614093179a385---zodugekawadutakug.pdfIn PDF document text
  • https://gmt-tw.com/app/webroot/userfiles/files/movakavofutefewa.pdfIn PDF document text
  • http://ccsctda.com/ckfinder/userfiles/files/20210912_023034.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/28021175303.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/80674953111.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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