MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics indicate it functions as a link farm, directing users to external URLs such as 'https://pistant.ru/uplcv?utm_term=download+need+for+speed+payback+for+pc+windows+7+free', likely to facilitate the download of malware. The presence of numerous external links on disposable hosting further supports this phishing and malware distribution pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://pistant.ru/uplcv?utm_term=download+need+for+speed+payback+for+pc+windows+7+free PDF link annotation
- https://bbu.vn/Images_upload/files/55018695662.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9d89d5253---tegumuzixorufajiwi.pdfIn PDF document text
- http://riasztoszolnok.hu/admin/fck_upload/file/59301652168.pdfIn PDF document text
- http://dsacare.com/admin/uploads/file/81567817155.pdfIn PDF document text
- http://autofox.lt/ckfinder/userfiles/files/pezudeninitimifodaje.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133244d2508a---lefixoxulugagav.pdfIn PDF document text
- https://bloomlight.pl/_bloom/file/nokepigufugazika.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/41601729604.pdfIn PDF document text
- http://abworder.com/uploads/files/bepujudumazizotabiritezet.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/bugodukapumoxutedesop.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/12944253990.pdfIn PDF document text
- http://timandlor.com/userfiles/file/15918432087.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/xedutu.pdfIn PDF document text
- https://sleepthai.com/piceditor/file/4140917900.pdfIn PDF document text
- https://luiginoiobbi.com/userfiles/file/82225485860.pdfIn PDF document text
- http://ms-beauty.com/ckfinder/userfiles/files/99366259445.pdfIn PDF document text
- https://dm288.rs/slicice/file/62342459925.pdfIn PDF document text
- https://btcauction.vn/hinhanh/file/44355145158.pdfIn PDF document text
- http://nhasachthunam.com/upload/files/wotexisedap.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/rufudewolofuzuwun.pdfIn PDF document text
- http://asr-net.ru/uploads/files/76521671912.pdfIn PDF document text
- http://argol-editions.fr/userfiles/file/zivigufud.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/22412511038.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/kuzuzulif.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_off0000b8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8DC | 15360 bytes |
SHA-256: ca55e1427b6d3603ba5ebfcbc49d6487e7f5173e5bafaa60b26bfc45c2efb2ac |
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font_01_sfnt_off0000df90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF90 | 11000 bytes |
SHA-256: ad6ba2f863eabcfe6d6560795390afbfd1dc2bf489b9c19104a37f51d266d77b |
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font_02_sfnt_off0000f91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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