MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and is structured as a link farm, suggesting it's designed to redirect users to potentially harmful websites. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://vanchuyenduongsat.vn/upload/files/48588000573.pdf In PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142ec336dcd6---68175730265.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/54921129228.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/safojifobujutodub.pdfIn PDF document text
- http://greece-ex.com/images/blog/file/rajipaliw.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147296bb6f26---nufujeji.pdfIn PDF document text
- http://ndt-ultratech.com/files/kazelotululu.pdfIn PDF document text
- https://mallarpurnaisuva.org/go/file/30923797297.pdfIn PDF document text
- https://vanphongphamhienluong.com/upload/files/telilebolawele.pdfIn PDF document text
- http://zzweien.com/d/files/zibelatilasu.pdfIn PDF document text
- http://serting.eu/userfiles/files/gagukubulifefalabupase.pdfIn PDF document text
- http://physocare.com/Images_upload/files/pusaxebotajuwefosolit.pdfIn PDF document text
- http://vanharteyoga.nl/uploads/files/bezokagekuzejaximojo.pdfIn PDF document text
- http://renknh.com/ckupload/files/wewijekobivitole.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/80519165351.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/nekuluvov.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-17/ee1315bb63caeae62758ae64e01366f5.pdfIn PDF document text
- http://cameranichietsu.com/luutru/files/vodipos.pdfIn PDF document text
- https://livre-art.com/ckfinder/userfiles/files/43640925181.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/kekibidewirizetelar.pdfIn PDF document text
- https://saptabangunmanunggal.com/indomobils/upload/file/vimilusuz.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/38407238529.pdfIn PDF document text
- http://clerus.hu/files/file/72079613271.pdfIn PDF document text
- http://unionnutritech.com/upload/files/79513736440.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=modal+verb+can+usePDF link annotation
- 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_off0000e41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE41D | 19888 bytes |
SHA-256: ca7576afc1659696937c30a02265f2328b475c8f51a94d25f8b096d4818524b1 |
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font_01_sfnt_off0001174e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1174E | 10472 bytes |
SHA-256: d25812147f29be0347baf78e0be541ebe78879d43e1274de72266fbe34c7c7a4 |
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font_02_sfnt_off00012f38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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