Malicious PDF — malware analysis report

Static analysis result for SHA-256 00cce71da5aeb2f1…

MALICIOUS

PDF

96.1 KB Created: 2021-07-02 09:50:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 9d13098dad37cf3cd326e3ff20b84fb9 SHA-1: 9b464c59cc372fc7d17c49879346bcb84d514232 SHA-256: 00cce71da5aeb2f1175688fcabe60a6294b7737b4a30a19efece914c78162c27
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised websites, likely to lure users into phishing scams or download further malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the use of disposable hosting for these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

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
  • 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.
  • 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://medvor.ru/uplcv?utm_term=music+concerts+2021 PDF link annotation
    • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/1d69ae275ef240ace8581a01081e9665/paxufarosewolukedolalewul.pdfIn PDF document text
    • http://wenxuezj.com/images/File/62528016380.pdfIn PDF document text
    • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/c2429739a87b8ede5528fbf865800909/86262335598.pdfIn PDF document text
    • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/5f46007b8f75d4613bac832b8afaee85/xenatulafa.pdfIn PDF document text
    • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/2bcc28e61b858922af4c82c9b7f94f5e/fawolekomujuzepi.pdfIn PDF document text
    • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606eabbe29a92---dobudasiguza.pdfIn PDF document text
    • http://sjar-tech.com/uploadfile/file///2021052800143851.pdfIn PDF document text
    • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e6e0ba522---pasev.pdfIn PDF document text
    • http://valdhans.cz/userfiles/file/gizagugejekavepujaxeve.pdfIn PDF document text
    • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/f8c34158300c8d94d1d5b7bab22805d5/zefizumezomelaxuxuwulo.pdfIn PDF document text
    • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad1aa2fa88---96906715175.pdfIn PDF document text
    • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7854b95369---joboritovagusitoredidexut.pdfIn PDF document text
    • https://suma.ca/upload/editor/file/13587089174.pdfIn PDF document text
    • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/q7cuglpbu4rpgocifg611un7r2/lilatatuvakogexomu.pdfIn PDF document text
    • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca51108f79---sezigubudakozokinalanuper.pdfIn PDF document text
    • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf77ac55dd---84027598231.pdfIn PDF document text
    • https://abugfreemind.com/userfiles/file/nufetitabenebovupugozav.pdfIn PDF document text
    • https://alutat.com/data/file/pawuxipamaritizulapuxob.pdfIn PDF document text
    • http://hasyo.net/files/file/364015967.pdfIn PDF document text
    • https://avenue102.com/uploads/file/benoz.pdfIn PDF document text
    • http://midel.me/userfiles/file/zivaregowi.pdfIn PDF document text
    • https://solidpractise.com/files/userfiles/file/97280764226.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_off00011589.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11589 17616 bytes
SHA-256: dd1f22b143447d7fe4d99ca23cb3285ec8547cce305835fbd22f46e62ca85e43
font_01_sfnt_off00014396.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14396 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00015bad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15BAD 10400 bytes
SHA-256: 425a5e6c9b48f74c9d2b8ba05bf861fa1b4ad35295e392e584d3a2e25202356d

Open this report in the interactive analyzer, or submit your own file for analysis.