Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6ebab3005570c15…

MALICIOUS

PDF

440.7 KB Created: 2022-02-28 12:48:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-17
MD5: be5efde156800b6da3fef98d755d2517 SHA-1: cfe8fe5d633723132dce27c7677b82cef9889465 SHA-256: b6ebab3005570c15098382b3d4f60d49e7844a7c4559031dd2f5942d71eb3c47
144 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4904

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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 http://kleinschadenexperte.de/userfiles/file/purikelivitokosaw.pdf In PDF document text
    • https://perechen-izdaniy.ru/js/ckfinder/userfiles/files/16095490954.pdfIn PDF document text
    • https://cicadit.ro/UserFiles/file/savapokuv.pdfIn PDF document text
    • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f8ac5d9858c---30622872879.pdfIn PDF document text
    • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/14fb8f3da6e03f260aad03ddd82ca044/98542677642.pdfIn PDF document text
    • http://sola-brothers.com/userfiles/file/35387725222.pdfIn PDF document text
    • https://sim2007.com/files/kedemebelipowolijade.pdfIn PDF document text
    • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/af3700a284c22fff54594760c478b670/51989060064.pdfIn PDF document text
    • http://eigo-manabo.com/app/webroot/js/kcfinder/upload/files/48231323904.pdfIn PDF document text
    • http://goldsunjsc.com/upload/files/gapirurovuta.pdfIn PDF document text
    • http://voltgroup.com.ua/assets/kcfinder/upload/files/34462504175.pdfIn PDF document text
    • http://iscyber.com/userfiles/file/dedagavikeli.pdfIn PDF document text
    • http://rdasesores.gestconcursal.com/editor/ckfinder/userfiles/files/jeguko.pdfIn PDF document text
    • http://homelife-superstars.com/image/files/sunuzutadaloroworudiz.pdfIn PDF document text
    • http://ideatity.com/ckfinder/userfiles/files/bewifefovetumizufukomo.pdfIn PDF document text
    • http://www.masozilina.sk/ckfinder/userfiles/files/16071897168.pdfIn PDF document text
    • http://babijie.com/upload_fck/file/2022-2-5/20220205063402341319.pdfIn PDF document text
    • http://ventexevent.se/uploads/file/12829691228.pdfIn PDF document text
    • http://brillodesol.com.ar/app/webroot/js/kcfinder/upload/files/bulono.pdfIn PDF document text
    • https://ccs-corporation.com/ckfinder/userfiles/files/pidiguf.pdfIn PDF document text
    • https://pelletier-tp.fr/ckfinder/userfiles/files/mowegetebekogu.pdfIn PDF document text
    • https://fiberglasssupplydepot.com/userfiles/file/sijewuzuned.pdfIn PDF document text
    • http://www.politico.cnm.org.br/ckeditor_custom/kcfinder/upload/files/dapaninamesizo.pdfIn PDF document text
    • https://terminal.hr/userfiles/file/91552887814.pdfIn PDF document text
    • http://gentry.work/updatefiles/file/mogotanebud.pdfIn PDF document text
    • https://schoolerp.stembridgelabs.com/userfiles/file/37670964491.pdfIn PDF document text
    • http://ferrocom-spb.ru/userfiles/files/45740467674.pdfIn PDF document text
    • https://martonelektro.hu/files/file/25190354457.pdfIn PDF document text
    • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1620d9665a79f4---panowidezerigobiza.pdfIn PDF document text
    • http://1night2day.com/UserFiles/file/58078231712.pdfIn PDF document text
    • http://formpart.com/upload/ckfinder/files/jolazonag.pdfIn PDF document text
    • https://serihosting.com/calisma2/files/uploads/94057331819.pdfIn PDF document text
    • http://stl-hk.net/userfiles/68491256540.pdfIn PDF document text
    • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/161fb0bb694dc0---pobujola.pdfIn PDF document text
    • http://onlinemidias.com/ckfinder/userfiles/files/93663146333.pdfIn PDF document text
    • https://norin.co.za/XSRYdR1H?utm_term=synonyms+english+pdfPDF link annotation
    • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621adfc9205ec---nujewoji.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 extracted file (font_00_sfnt_off00066f93.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00066f93.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00066f93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66F93 10776 bytes
SHA-256: 43aaf30b4c7f17a44ef74345b20051cc305945c04030f28138ee2c594291040f
font_01_sfnt_off000687e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x687E0 19712 bytes
SHA-256: 0ad0cd578fb66070072b1360fe5022807c8d6a8017c8909acfd393b3c9a3e714
font_02_sfnt_off0006bc0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BC0C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9