MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests it's part of a link farm designed to host numerous links on disposable domains, likely for phishing or malware distribution. The embedded URLs point to suspicious domains, further supporting this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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://krisoc.ru/uplcv?utm_term=verificare+stato+batteria+android PDF link annotation
- https://gopherscopes.com/userfiles/file/diboworet.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613417ff8ca6f---sobokajodekuxijidudo.pdfIn PDF document text
- http://gaziogluenerji.com/images_upload/files/37253032849.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210912163142216496.pdfIn PDF document text
- http://ristoranteibucanieri.it/userfiles/files/24818263679.pdfIn PDF document text
- https://loyalangkorapartment.com/userfiles/file/sinesujagamimuzapekeni.pdfIn PDF document text
- https://www.hmgfinance.com/ckfinder/userfiles/files/purudab.pdfIn PDF document text
- https://songhongresort.com/img/files/5612846529.pdfIn PDF document text
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/99009859487.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/8741728844.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/25843104492.pdfIn PDF document text
- http://asvpp.fr/pdf/33700105404.pdfIn PDF document text
- http://uniondrygoods.com/fckeditor/userfiles/file/58172597698.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/46232573595.pdfIn PDF document text
- http://1carl.com/userfiles/file/63791412948.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/sodudugodologav.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/vevojunavisaseda.pdfIn PDF document text
- http://apismorava.eu/docs/81321559045.pdfIn PDF document text
- https://windfreeklima.com/upload/ckfinder/files/58563830229.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/8587363875.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/sorukidefumogad.pdfIn PDF document text
- https://pastijptoto.com/contents/files/xiguxodakilazo.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/xaziso.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-11/20210911113252932786.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/64018012999.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_off0000f396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF396 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010ba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA8 | 18024 bytes |
SHA-256: 998d9f2bce9fd53e82ee5e8289f2407e98894e1541b42f815064d123b0ba0d45 |
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font_02_sfnt_off00013b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B18 | 10532 bytes |
SHA-256: f08c316fcac862d62b4d992ebe1de6cabe917ea35b8771b85095c6f026331dfc |
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