Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6168f2f6885a5cb…

MALICIOUS

PDF

280.4 KB Created: 2022-03-05 07:17:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-15
MD5: 54c2c776a97384d2e352ab0d166bc06c SHA-1: 69a8531c5c5fccdea89f60b8dd799f4b68917c4f SHA-256: b6168f2f6885a5cbcc6ac508ed6e11db4ad707c23aee4f59946e7a65ff7af624
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7033

Heuristics 6

  • 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.
  • 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://ragaz.co.za/XSRYdR1H?utm_term=kdigo+aki+guidelines+2012 PDF link annotation
    • http://tuanlongland.com/upload/files/50303250005.pdfIn PDF document text
    • http://epodhajska.eu/UserFiles/File/12284358029.pdfIn PDF document text
    • https://investmentskillsgroup.com/images/userfiles/file/balipataxabigunofadu.pdfIn PDF document text
    • https://divinehm.com/ckeditor/kcfinder/upload/files/4922771440.pdfIn PDF document text
    • http://incomsistema.ru/ckfinder/userfiles/files/totobageminimeba.pdfIn PDF document text
    • https://mimpiindah168.com/contents/files/67747824951.pdfIn PDF document text
    • http://american-security-inc.com/assets/ckfinder/userfiles/files/33286181225.pdfIn PDF document text
    • http://anais.terminarz.online/kosmetyczka/krakow/files/fevuteg.pdfIn PDF document text
    • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621ab85887be8---83156031518.pdfIn PDF document text
    • https://istanbulbalbir.com/upload/ckfinder/files/zorogifurilowe.pdfIn PDF document text
    • http://harnettcountyhba.com/userfiles/file/67575775814.pdfIn PDF document text
    • https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/84643036682.pdfIn PDF document text
    • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/pigesumoxeg.pdfIn PDF document text
    • http://rzn-house.ru/upload/file/zepasagumuwu.pdfIn PDF document text
    • http://www.chestheart.org/assets/ckeditor/kcfinder/upload/files/bupidejutitebotaloju.pdfIn PDF document text
    • http://em-mould.com/ckfinder/userfiles/files/30775098123.pdfIn PDF document text
    • http://eqsport.nl/userfiles/file/duzakagimuzebe.pdfIn PDF document text
    • http://forepic.com/_UploadFile/Images/file/55403629753.pdfIn PDF document text
    • https://biogenetixpharma.com/ci/userfiles/files/7505478805.pdfIn PDF document text
    • http://ajivikafinance.com/userfiles/file/nuletok.pdfIn PDF document text
    • http://panel2conso.com/userfiles/file/11503575060.pdfIn PDF document text
    • https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/85119913226.pdfIn PDF document text
    • http://webhoctot.com/app/webroot/uploads/files/fuxovejalowuxo.pdfIn PDF document text
    • http://whipitleather.com/userfiles/file/karetedonofizewuwim.pdfIn PDF document text
    • http://www.historialmarista.org/js/kcfinder/upload/files/15201470448.pdfIn PDF document text
    • http://citty.org/images/uploads/file/birujili.pdfIn PDF document text
    • https://www.miroku-jp.com/system/js/kcfinder/upload/files/xininadoga.pdfIn PDF document text
    • https://www.retailexpert.sk/gfx/administration/js/ckeditor/kcfinder/upload/files/kijuto.pdfIn PDF document text
    • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1621baf22749c6---63298523999.pdfIn PDF document text
    • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/akgiosls6h3nb40qadj5r25u22/11161727313.pdfIn PDF document text
    • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620574f91e45f---35882810753.pdfIn PDF document text
    • http://garmaclima.com/uploads/ckfinder/files/mazuwijeteg.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_off0003f3c7.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003f3c7.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003f3c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F3C7 17708 bytes
SHA-256: 2b81dd32ba9d292c0f9fb4a98c0c96b02d06d472ccb860f318057e124ae80e17
font_01_sfnt_off000421ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x421ED 10700 bytes
SHA-256: 109be2f622a0ede6653b637733d48d4cd63fdf5d023d26b7dae3d60359da4c6e
font_02_sfnt_off00043a75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43A75 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9