MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to disposable hosting or compromised CMS upload storage, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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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 https://synerhu.ru/uplcv?utm_term=can+mike+tyson+still+fight PDF link annotation
- https://www.nhabe.com.vn/ckfinder/userfiles/files/dupar.pdfIn PDF document text
- http://goforthegreengolfpools.com/userfiles/file/38275820462.pdfIn PDF document text
- http://siciny.eu/userfiles/file/47372720529.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/66410323469.pdfIn PDF document text
- http://vitacanes.com/uploads/files/vupaxev.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/mopupabu.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161402e685fabb---29458657018.pdfIn PDF document text
- http://rdasesores.gestconcursal.com/editor/ckfinder/userfiles/files/45157521575.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/80894323859.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146380460b3e---pobanagozunagejosinu.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/0pt6ml8mrh1adf181rj6umd4g1/74640537270.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614faba2ed104---sozezajubovabomadowizapa.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/vufux.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210907080115.pdfIn PDF document text
- https://partroyfuneralhome.com/partroy/assets/file/54514230464.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/2059016626.pdfIn PDF document text
- http://surtek.biz/image/files/20150318_170155.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/pemit.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/6491972328.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/35928414868.pdfIn PDF document text
- https://qwert5.com/psum/admin/userfiles/file/91745410395.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000aee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEE3 | 10796 bytes |
SHA-256: 15445f3e411c1aeffe20a058c1caaf5a4aa5bdb586f2e743fe3bf155f2c8e752 |
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font_01_sfnt_off0000c7a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dfb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB3 | 15776 bytes |
SHA-256: 6e226f72561c4a09ce5d91a7ce07e07b30e57147716c1d32144f7dc68fe3716e |
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