Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb889cf3d0a680f3…

MALICIOUS

PDF

388.5 KB Created: 2022-05-10 01:46:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-08
MD5: 35c7c84b1a9e270a362faba0f195ed5d SHA-1: d8e7d77da20cdd50e466e1e9cb57db24eea9a51f SHA-256: cb889cf3d0a680f3eb5dc29b739fb13639fc0cc68dbf9d1a81fd2e68cd68d091
136 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4451

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 http://sadbaindia.org/admin/kcfinder/upload/files/jipidudak.pdf In PDF document text
    • http://snc.easy-event.net/img/uploads/files/44053525292.pdfIn PDF document text
    • http://arieslog.com/assets/ckeditor/kcfinder/upload/files/85675494764.pdfIn PDF document text
    • http://e-sportis.com/images/upload/32819672190.pdfIn PDF document text
    • http://danamthanh.vn/userfiles/file/54260720333.pdfIn PDF document text
    • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fbbb34cfd93---7753914798.pdfIn PDF document text
    • https://willes-gb.com/uploads/files/202202211825517587.pdfIn PDF document text
    • https://maryamghiasi.com/images/upload/files/90813214428.pdfIn PDF document text
    • https://dvg.asia/ckfinder/uploadfiles/files/77610037630.pdfIn PDF document text
    • https://fisheaglesafaris.net/pics/user/file/relabelaridave.pdfIn PDF document text
    • https://www.cheeweitay.com/admin/kcfinder/upload/files/pesukev.pdfIn PDF document text
    • https://aharonoff.easystockhosting.com/sites/default/files/fckimages/file/vidukunewerewesejuris.pdfIn PDF document text
    • https://codecs.ro/images/file/nobuwoxape.pdfIn PDF document text
    • https://alternatifhirdavat.com/upload/ckfinder/files/16810724009.pdfIn PDF document text
    • http://koronavirus.lenti.hu/feltoltes/files/96994311467.pdfIn PDF document text
    • https://ankaratutuncu.com/panel/kcfinder/upload/files/11677838602.pdfIn PDF document text
    • http://alibabashipping.com/userfiles/file/jivuk.pdfIn PDF document text
    • https://ntct-dz.com/ckfinder/userfiles/files/19867839671.pdfIn PDF document text
    • https://jin-hung.com/userfiles/file/pidakodopakufedami.pdfIn PDF document text
    • https://karsdanapazari.com/panel/kcfinder/upload/files/merurisosexunudexibotem.pdfIn PDF document text
    • https://leganordavigliana.it/uploads/file/79695553522.pdfIn PDF document text
    • https://www.governancaparaobrasil.com.br/kcfinder/upload/files/lofimulafanisix.pdfIn PDF document text
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/162164d6f8cf3f---61337250377.pdfIn PDF document text
    • http://vizitcard.kz/uploads/files/simukofasonivezop.pdfIn PDF document text
    • https://skyzoan.com/cake/beta/userfiles/file/48106323316.pdfIn PDF document text
    • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/cd7be281c9afde957cb90d2b36ab4d2a/dobegogaxexelupepax.pdfIn PDF document text
    • http://sport-celebrity.com/app/webroot/kcfinder/upload/files/63329887213.pdfIn PDF document text
    • https://nepalimodelagency.com/userfiles/file/newitotef.pdfIn PDF document text
    • https://www.camaragranada.org/administracion/kcfinder/upload/files/57899417101.pdfIn PDF document text
    • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/162798d1c03180---82688572637.pdfIn PDF document text
    • https://lsv-wittlage.de/ckfinder/userfiles/files/61246012145.pdfIn PDF document text
    • https://mobilpetrol.olajpark.hu/files/files/39832294349.pdfIn PDF document text
    • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/246dc845532c9dbbc3876abb5c400679/65728447876.pdfIn PDF document text
    • https://aquarell.ro/userfiles/file/vexorusapexajoja.pdfIn PDF document text
    • https://biholka.cz/uploades/userfiles/file/vidoviwevumosekumumopo.pdfIn PDF document text
    • https://lovig.co.za/XSRYdR1H?utm_term=astm+e83+pdf+conversion+tools+freePDF 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_off000574b3.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000574b3.bin)

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000574b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x574B3 16268 bytes
SHA-256: a3590a01ba9ca9bd6292c056cc6ee05fc07dc8b50bcf128f1aacd0883a449e38
font_01_sfnt_off00059ec6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59EC6 11044 bytes
SHA-256: 615276211bb9094eac7041b30087872c347ec350e0ce4a36d7c89f3131febfe0
font_02_sfnt_off0005b889.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B889 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_03_sfnt_off0005d09c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D09C 16160 bytes
SHA-256: 27fa49ca30b1f57c6e4f8b99ad1f73ead7010ce1f191e20d716503af09158f46
font_04_sfnt_off0005e615.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E615 8052 bytes
SHA-256: 2a100f54b522bb0a6818cfa43a0248db6908f8c3b22e16b11e7cbac9e9f83c32