Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8e982cbb82172d…

MALICIOUS

PDF

77.9 KB Created: 2021-09-19 15:18:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 6f19c468dbb442de49a972e415d25359 SHA-1: eda7be29ceab126b22c303ad96d02112481e4a38 SHA-256: aa8e982cbb82172dee7dd1b7215525a6da1609d656eb15527e7f983de791822b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://pistant.ru/uplcv?utm_term=clash+of+clans+hack+cydia PDF link annotation
    • http://www.bash.cl/media/file/kezuruz.pdfIn PDF document text
    • https://deniz-sogutma.org/img/userfiles/file/xutosegemon.pdfIn PDF document text
    • https://podiummagazinenews.com/ckfinder/userfiles/files/11524644093.pdfIn PDF document text
    • https://cosmopolitanhotel.lastrada.bg/uploads/wysiwyg/files/vigerinomajomerobizan.pdfIn PDF document text
    • http://pincailight.com/zk/UploadFile/file/2021091603372973499.pdfIn PDF document text
    • http://peterpan1996.it/userfiles/files/16879016875.pdfIn PDF document text
    • http://dreamwith.gni.kr/ckupload/files/sawig.pdfIn PDF document text
    • http://xz-brand.com/ckfinder/userfiles/files/66779607063.pdfIn PDF document text
    • https://locoffice.ru/userfiles/file/76338520780.pdfIn PDF document text
    • https://listapp.in/ci/userfiles/files/79587361196.pdfIn PDF document text
    • http://maybomnuocdanang.com/uploads/image/files/10446342721.pdfIn PDF document text
    • https://maviet.vn/upload/files/fisonexivifi.pdfIn PDF document text
    • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613d49adbfcc6---32296032850.pdfIn PDF document text
    • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/nelesunadaxabemadidog.pdfIn PDF document text
    • http://motivationandmomentum.net/ci/userfiles/files/noruziver.pdfIn PDF document text
    • http://nbkhjc.com/uploads/202109/file/210901202247751064k24lno78wl9f.pdfIn PDF document text
    • https://daquin-ferriere.fr/userfiles/file/76731476899.pdfIn PDF document text
    • http://bulmarconsult.com/files/bobeweza.pdfIn PDF document text
    • https://saatyapi.com/upload/ckfinder/files/jazoxagibubalajoluwi.pdfIn PDF document text
    • https://podereilmontaleo.it/writable/public/userfiles/file/15636915764.pdfIn PDF document text
    • http://aallergy.netlovestories.com/upload/files/kikilizonajepiwemu.pdfIn PDF document text
    • http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/putavunepogaxoligudok.pdfIn PDF document text
    • http://maternites-catholiques.org/ressource/site-image/files/99665483406.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c95e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC95E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e170.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE170 18892 bytes
SHA-256: d239174beeeaae210236c218a5ecfb79f6761df43469759ab74ab9bdc8ce3dc1
font_02_sfnt_off00011261.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11261 10480 bytes
SHA-256: 1b561fb8ba0257d33ebaf18b2e1e1f997ab125632351484026f8578093b16f66

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