Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ee094d3928707bb…

MALICIOUS

PDF

64.0 KB Created: 2021-06-30 11:13:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-31
MD5: 4068106b7b2a78d8148368c8eae24486 SHA-1: ceffaad2aa3e4be0662f0820fed3c4aefa9c0ac5 SHA-256: 0ee094d3928707bb49016e6bbe4857d08744888ca69bbd29a36fc534dc7f8e2e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6468

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://jrpst.pl/userfiles/file/wisevulewupijereke.pdf In PDF document text
    • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160774e609a487---85857467453.pdfIn PDF document text
    • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e03c5228f---95875311298.pdfIn PDF document text
    • http://www.companyforte.com/imagenes/editor/file/bufavaveti.pdfIn PDF document text
    • http://euro-ex.net/images/blog//file/vinudejadobolenuwujabo.pdfIn PDF document text
    • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d49fb9826---vebuvosogupux.pdfIn PDF document text
    • http://synthecinter.com/userfiles/files/lazuvekuxatamabegebo.pdfIn PDF document text
    • http://bjaimama.com/data/upload/2021/05/file/202105250032484518.pdfIn PDF document text
    • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a85e673f8ac---90753222817.pdfIn PDF document text
    • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ab05d6c89---73001363186.pdfIn PDF document text
    • https://capecoralliving.com/media/file/xowakizinum.pdfIn PDF document text
    • https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/11887389777.pdfIn PDF document text
    • http://valeneighbors.com/userimages/vugilogosevofovimino.pdfIn PDF document text
    • https://ankaratemizlikcim.com/depo/sayfaresim/file/73750838861.pdfIn PDF document text
    • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/73632daabd0d436e78e09f39ce9321e0/42102133537.pdfIn PDF document text
    • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2a3d88e61---52286547560.pdfIn PDF document text
    • https://whitesal.com/data/images/file/2532_20210630124456.pdfIn PDF document text
    • https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/98843471846.pdfIn PDF document text
    • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe40ad61ac---vozolabuzizuputorato.pdfIn PDF document text
    • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/ddda42234279ee630318c123ec780ad1/97154012283.pdfIn PDF document text
    • https://marblobaths.com/app/webroot/img/files/83058178802.pdfIn PDF document text
    • http://kssi.ir/public/userfiles/file/jubaxa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=add+discord+overlay+to+obsPDF link annotation

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