Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9b969ac30ad1e22…

MALICIOUS

PDF

91.4 KB Created: 2021-07-13 06:07:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 222086885b49ff576ece217531eb1cfc SHA-1: 4da10057a5d81f5b7dc30397482c618a319d59ba SHA-256: a9b969ac30ad1e2289eb6b77010c1bf330676eadadd8d6dc49d078534099a7ee
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The ClamAV detection and ML classifier indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the URL structure implies a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5018

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
  • 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
  • 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://cructi.ru/uplcv?utm_term=buried+beneath+the+ground+who+knows+where+it%27s+found+osrs PDF link annotation
    • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/f12bcc97e6689ee9177f390fc231f094/xibezimuxolenuzil.pdfIn PDF document text
    • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/h8su49j5di71g23eflv6kqei82/18306224047.pdfIn PDF document text
    • https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/daparuvifawovurokalax.pdfIn PDF document text
    • https://arredamentigiacobbe.it/file/firuruf.pdfIn PDF document text
    • http://www.alborada.es/ckfinder/userfiles/files/zusikabexo.pdfIn PDF document text
    • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/jo0g4l0smkne4d5cg6unpimk8s/90335876580.pdfIn PDF document text
    • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/c6ugi3q4pf4or2jf1c98ec7oji/15864801346.pdfIn PDF document text
    • https://laurallo.com/ckfinder/userfiles/files/jizekukinuluvoxoxavolej.pdfIn PDF document text
    • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0a4f09a70e---dipuwamo.pdfIn PDF document text
    • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5fdba64e---47847678844.pdfIn PDF document text
    • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/b0647b3cd1dfbc5c624d1eeb96d8cd64/63571243713.pdfIn PDF document text
    • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce05098fb58---jevexigugozilumigalugomi.pdfIn PDF document text
    • https://pasarantogeldua.com/contents//files/jelezuzikusizezaxog.pdfIn PDF document text
    • http://kulturazebrak.cz/userfiles/46667827921.pdfIn PDF document text
    • http://zdravi-kromeriz.cz/files/file/rolum.pdfIn PDF document text
    • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e6e44640f---83081378747.pdfIn PDF document text
    • http://www.yoko-ono.be/images/userfiles/file/50433865031.pdfIn PDF document text
    • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a3460565424---baxavukawepevufegexobiru.pdfIn PDF document text
    • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160915bf12d876---28445731764.pdfIn PDF document text
    • https://hazeloyun.com/calisma2/files/uploads/sapizeluxes.pdfIn PDF document text
    • https://artasedanasingaraja.com/uploadfck/file/50817481156.pdfIn PDF document text
    • http://rainbowcaterers.in/userfiles/file/73880006882.pdfIn PDF document text
    • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/2cd79f1bded2a587a7fef9f2d15b63a0/70197446840.pdfIn PDF document text
    • http://ndt-ultratech.com/files/37820539797.pdfIn PDF document text

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