MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate that the document's primary purpose is to redirect users to potentially malicious websites.
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://garglob.ru/uplcv?utm_term=maths+puzzles+for+class+3+pdf PDF link annotation
- https://braindevelopmentmaps.org/userfiles/files/5289460914.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/cdl2jqblgjb0m6t3i6tdippjvd/90244469031.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/64855002991.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/98210067849.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/0948719d408252b441c19432ffb8fdd3/zabiwapiligerepofif.pdfIn PDF document text
- http://chromavials.com/d/files/daduzak.pdfIn PDF document text
- http://skoleniridicubrno.cz/ckfinder/userfiles/files/27158623488.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/budirinifotapupika.pdfIn PDF document text
- http://thesnowmanicecream.com/ckfinder/userfiles/files/dinurezemepez.pdfIn PDF document text
- https://doanandieuduong295doson.vn/namthuan/images/news/files/48243217336.pdfIn PDF document text
- https://kangaroovietuc.vn/webroot/img/files/tamigekozefefutalolifemo.pdfIn PDF document text
- http://iweldbot.com/ckfinder/pho/files/wojede.pdfIn PDF document text
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/davumububoro.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/buluvivenurafesi.pdfIn PDF document text
- http://radiopoint.cz/userfiles/file/musorubafokupubifabasuf.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/zarudejokuzon.pdfIn PDF document text
- https://ratosatu.com/contents/files/zitupexawa.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/84905093852.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/43326007571.pdfIn PDF document text
- https://aslplastic.com/ckfinder/userfiles/files/9777723998.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/ligegibusus.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/wesawiz.pdfIn PDF document text
- https://bya-ingenieria.com/ckfinder/userfiles/files/5694087455.pdfIn PDF document text
- http://etoprosto.ru/ckfinder/userfiles/files/fifesugiradevof.pdfIn PDF document text
- https://cailux.lu/userfiles/files/fuvuvifaxox.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_off0000ca87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA87 | 10848 bytes |
SHA-256: c550e24bbf911e3e5b469975acea8b1f402aef9cc06056d19de5dd0a5cf8aa0b |
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font_01_sfnt_off0000e3d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D6 | 17332 bytes |
SHA-256: b7c7d1185c2f126cf40df4c4036fe505b3635bbc12978377b9fc5883185c36bb |
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font_02_sfnt_off0001110d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1110D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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