Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbe4305dae28f623…

MALICIOUS

PDF

513.3 KB Created: 2022-04-12 22:58:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-24
MD5: 2fa3338531fb5af84e708c9a7737e269 SHA-1: 2169bf4ae1e4429a876b5c7436418b48a8370431 SHA-256: cbe4305dae28f623c8c8714d236b24d90913a80523d79dfc909ea5d5253afee8
161 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4578

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.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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://kultpro.ru/userfiles/files/wabatu.pdf In PDF document text
    • https://fazokovonopa.weebly.com/uploads/1/3/5/3/135329702/xitetena-parujoxedu-foxet.pdfIn PDF document text
    • https://corpusbg.com/files/fck/file/73953698201.pdfIn PDF document text
    • https://www.apsar.es/assets_back_office/js/plugins/kcfinder/upload/files/mifugerazemu.pdfIn PDF document text
    • https://basosogufu.weebly.com/uploads/1/3/4/6/134682995/xuledu.pdfIn PDF document text
    • http://midesignvn.com/uploads/files/97304643534.pdfIn PDF document text
    • http://www.transfuzia.org/gfx/administration/js/ckeditor/kcfinder/upload/files/64111829091.pdfIn PDF document text
    • https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/8140648.pdfIn PDF document text
    • https://zatozidebowetam.weebly.com/uploads/1/3/1/3/131398213/0069cedd.pdfIn PDF document text
    • http://maquetland.com/v2/images_articles2/files/32561512511.pdfIn PDF document text
    • http://kbautotech.com/board/datafiles/imagefile/zapinixupogulejexedakube.pdfIn PDF document text
    • https://kcharp.com/ckfinder/userfiles/files/93354728235.pdfIn PDF document text
    • https://serewutedirafam.weebly.com/uploads/1/3/5/3/135339767/xogamobikaku.pdfIn PDF document text
    • http://anantitsolution.com/ckeditor/kcfinder/upload/files/94423967328.pdfIn PDF document text
    • https://tunuzari.weebly.com/uploads/1/3/4/3/134316111/mipolegu.pdfIn PDF document text
    • https://gulfsupremesa.com/ckfinder/userfiles/files/rozavifinawobugofitoloka.pdfIn PDF document text
    • https://www.synergyom.com/kcfinder/upload/files/givusutugonimijubivun.pdfIn PDF document text
    • https://gudugobaxav.weebly.com/uploads/1/3/4/5/134500737/62cd3d287d0579.pdfIn PDF document text
    • https://zemokozovoxepuj.weebly.com/uploads/1/3/0/7/130776726/lagugofowu_pezita_mukupupe.pdfIn PDF document text
    • http://cleanking.net/userData/board/file/85334890665.pdfIn PDF document text
    • https://xarefiliji.weebly.com/uploads/1/3/4/7/134735925/jivunoworugex_fosovaxixes.pdfIn PDF document text
    • https://kuvegegujumil.weebly.com/uploads/1/3/4/3/134367432/judutidap.pdfIn PDF document text
    • https://jpt.mysmartedu.com/uploadimages/files/pibemirotamabegunokute.pdfIn PDF document text
    • http://drumlockingclamp.com/FCK_Editor_Images/files/37798119471.pdfIn PDF document text
    • https://nixifekenebuj.weebly.com/uploads/1/3/0/7/130775280/9922717.pdfIn PDF document text
    • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620f5edbb14be---67867186491.pdfIn PDF document text
    • http://gorre-paysage.fr/ckeditor/kcfinder/upload/files/23463775093.pdfIn PDF document text
    • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16230114c067a4---42359298061.pdfIn PDF document text
    • http://sk-uralstroy.ru/uploads/files/miwagediraxixasubekos.pdfIn PDF document text
    • https://sejujilebenifej.weebly.com/uploads/1/3/4/8/134886687/gusawedog.pdfIn PDF document text
    • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1622cceeb46bcc---65879127139.pdfIn PDF document text
    • https://paceelectric.com/new2/userfiles/file/zusaxamelegapezaxumon.pdfIn PDF document text
    • https://voskovefiguriny.cz/kcfinder/upload/files/86387782526.pdfIn PDF document text
    • https://lonewarole.weebly.com/uploads/1/3/4/5/134593790/wumokatuz.pdfIn PDF document text
    • https://accu-split.com/userfiles/files/14945026280.pdfIn PDF document text
    • https://tajekuludukomas.weebly.com/uploads/1/3/4/4/134498487/bapowabosofaturidi.pdfIn PDF document text
    • https://lovig.co.za/XSRYdR1H?utm_term=nutritional+information+white+basmati+ricePDF link annotation
    • 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_off000793f8.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000793f8.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000793f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x793F8 18240 bytes
SHA-256: b0e1f193b8360cdaca1c780dc8501d0c149a507c6a3e5e485892115fe2dafaf8
font_01_sfnt_off0007c34d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C34D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0007db65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB65 10904 bytes
SHA-256: b269903845776d531e258ce432c23fea706279c69fdc9a0dc9d092de21c56fb7