MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised or disposable domains, suggesting a phishing or malware distribution scheme. The PDF's structure and the nature of the linked content align with common tactics for initial access via spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.6466
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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://xn--b1akwe.xn--p1ai/userfiles/file/65105154392.pdf In PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/0531b828259e372c96186af26c69006d/zuzekogetefivoboruz.pdfIn PDF document text
- https://muratay.nl/userfiles/file/35205075370.pdfIn PDF document text
- http://immodraft.de/images/architekten_agentur_images_/file/dilotabenelafilokivox.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/86893302977.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c778a598ec8---49550209506.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/mifase.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nojemufirolowazarodak.pdfIn PDF document text
- http://xn--b1adcbbai1bezln.xn--p1ai/content/File/31408108126.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/9f55061c4e803851c24253e821a1902a/99719291203.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cad8afcdb---35617286285.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5db4a6cef---ramurukano.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7a772b579---peseduluxiwor.pdfIn PDF document text
- https://www.babetravelling.com/ckfinder/userfiles2/files/63446589344.pdfIn PDF document text
- http://associatedreclaimed.com/userfiles/files/zajolamazil.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/48742856995.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/ab809eded0dca644ac37e84c97f6ae10/papeluvavobavumufam.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/91753791562.pdfIn PDF document text
- https://fullprotec.com/ckfinder/userfiles/files/24053058691.pdfIn PDF document text
- http://laureysnv.be/uploads/files/69743471813.pdfIn PDF document text
- https://global-brand.net/userfiles/files/58314752913.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/17ed9e9a87e82bb8c75d4eb964bcdc4d/vofefixedasafik.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6f7f4cc6220f6e9451b58bc0dd9e5e1d/riralegilumolemi.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/52660393873.pdfIn PDF document text
- http://1-champagne.com/blog_images/blog_/file/93399064969.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=ford+fiesta+2015+user+manualPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC58 | 18388 bytes |
SHA-256: 9f0a9027a44ff8e957f8bf0349533850f9941a54c948966a668320b66892538c |
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