Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5de565db4f2d572…

MALICIOUS

PDF

71.2 KB Created: 2022-04-03 02:43:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27
MD5: f515af319c60978cf2cc9d6332cc73d0 SHA-1: 0a17e57fadaf874d5a34657da937037c2cbabc7f SHA-256: c5de565db4f2d57235e98d12c1777c1378073b229de4f2e09e2d154ed3a5da0b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://yoyep.co.za/YmrXLWy8?keyword=insinkerator%20evolution%20essential%20home%20depot PDF link annotation
    • http://www.autoservis-hubatka.cz/admin/upload/ww/file/18374111085.pdfIn PDF document text
    • http://moscowcharm.com/content/xuploadimages/file/zinebunoderopi.pdfIn PDF document text
    • http://driver-jazda.pl/upload/file/80232052756.pdfIn PDF document text
    • https://duvugatezema.weebly.com/uploads/1/3/4/6/134650783/73574.pdfIn PDF document text
    • https://alrukn.co/userfiles/files/dejizilajuguwegi.pdfIn PDF document text
    • http://danies.ru/ckfinder/userfiles/files/kebozudamewosojajepide.pdfIn PDF document text
    • https://femuketidoxesi.weebly.com/uploads/1/3/3/9/133997502/dd29148994516.pdfIn PDF document text
    • https://tevifetaz.weebly.com/uploads/1/3/4/7/134746506/1418239.pdfIn PDF document text
    • https://buzalunila.weebly.com/uploads/1/3/1/6/131606025/tuxixiluju.pdfIn PDF document text
    • https://ravagowezotivix.weebly.com/uploads/1/3/6/0/136094193/6cfb69e948d8.pdfIn PDF document text
    • https://luzulobopado.weebly.com/uploads/1/3/2/6/132681737/geritoxibale.pdfIn PDF document text
    • http://ilsungwarehouse.com/userData/ebizro_board/file/posowufuzamazagugivogekif.pdfIn PDF document text
    • http://shinex-auto.com/userfiles/file/3168493279.pdfIn PDF document text
    • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16243f9f8dd1c8---73175400674.pdfIn PDF document text
    • https://apoiotelecom.com/imagens/img_fckeditor/file/16061788764.pdfIn PDF document text
    • http://sapientgenerator.ru/files/userfiles/files/66181783901.pdfIn PDF document text
    • http://chs.yuanjen.com/ckfinder/userfiles/files/35450735391.pdfIn PDF document text
    • http://photo-preiss.com/upload_files/files/wekiketubiridarexuwasafil.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_off0000b2a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB2A6 16500 bytes
SHA-256: 5ea4b050c4f37210cb2fe2358286007ebd34837e7f16d8123e233b3b74ac90fe
font_01_sfnt_off0000dd45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD45 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f55c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF55C 10864 bytes
SHA-256: df8357a6e62d6a3d4ea07a94214bc270de3bc4aa83ec56c883d16d51ac4256b9

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