MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used 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 lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://drafthe.ru/uplcv?utm_term=hex+to+hexadecimal PDF link annotation
- https://kingcom.edesign.fr/gr33/web/uploads/assets/file/34232539426.pdfIn PDF document text
- https://dolphinsolutions.net/ckfinder/userfiles/files/53942195036.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/72742708394.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/pipifekimitutela.pdfIn PDF document text
- https://ehlibeytalimleri.com/resimler/files/tavejofuvek.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/13759653183.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/vazatefisoji.pdfIn PDF document text
- http://jfhcoaching.com/userfiles/files/42415496042.pdfIn PDF document text
- http://ps-chiptuning.hu/userfiles/files/lerudara.pdfIn PDF document text
- https://casalindasbakery.com/ckfinder/userfiles/files/mexozuko.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/4479d2a4e3f0cc40a7c316925fc3e641/lukusobokoweropaviw.pdfIn PDF document text
- https://aquarell.ro/userfiles/file/jifivoweputu.pdfIn PDF document text
- http://eshop-kocicinadeje.cz/files/file/navut.pdfIn PDF document text
- https://www.eos.org.eg/ckfinder/userfiles/files/28345321846.pdfIn PDF document text
- http://cokhixnktientien.com/Images_upload/files/goseminagizefibina.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161518507278c1---48737626690.pdfIn PDF document text
- http://ukrfirework.com/images/file/vajusavikapowikadir.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/peditibezofesokujijokus.pdfIn PDF document text
- http://laros.cz/UserFiles/file/61971002941.pdfIn PDF document text
- https://gentrilieu.vn/userfiles/file/28850612248.pdfIn PDF document text
- http://karaokejdi.com/ckfinder/core/connector/php/upload/files/58863314958.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/30825043821.pdfIn PDF document text
- https://pecsikult.hu/files/file/mewewalodo.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210915_CBD8813AE10A8082.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_off0000b2ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB11 | 16124 bytes |
SHA-256: cb583fa9953ae28e83518a6a58b64003fd3ba411f0b0ec76b5b239f2250bea5a |
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font_02_sfnt_off0000f492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF492 | 10356 bytes |
SHA-256: c9f2faf3bcd894d2adf5fd5834ddf3bdbb467ebdd12c579c9792476390dbbde4 |
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