MALICIOUS
134
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. It contains embedded JavaScript and numerous external URIs, suggesting it is designed to redirect users to potentially harmful websites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://medvor.ru/uplcv?utm_term=convert+apk+file+to+pdf+online+free PDF link annotation
- http://ymmicro.com/files/files/nukadu.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/24a70e3151a20cd3b66270f0a55b718b/givunabevagim.pdfIn PDF document text
- https://mamadona.ru/ckfinder/userfiles/files/2196178233.pdfIn PDF document text
- https://itscebu.com/upload/file/20210906172741.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/59674048328.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/2021941911151864.pdfIn PDF document text
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57512061095.pdfIn PDF document text
- http://pc75.net/upfiles/file/1630808041.pdfIn PDF document text
- http://divyabodhanam.org/userfiles/file/zukojaw.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/53203244975.pdfIn PDF document text
- http://langmoon.jp/js/upload/files/nupovopekimujaxoregi.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/63231312138.pdfIn PDF document text
- https://halkapsikoloji.com/userfiles/file/28949311883.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210916151815.pdfIn PDF document text
- http://www.egymast-segito.hu/uploaded/fck/file/17408937103.pdfIn PDF document text
- http://nppgursaraijhansi.in/ckfinder/userfiles/files/fofosimibuli.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210912193426_p6invj.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/pukupewofotapunuliw.pdfIn PDF document text
- https://www.igescanada.com/ckfinder/userfiles/files/fowolusexufizev.pdfIn PDF document text
- http://fecoil.com/userfiles/file/tibenelikij.pdfIn PDF document text
- http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/zinuvuresewezeziwog.pdfIn PDF document text
- http://borik.customreal.sk/data/files/vulafikilelilesuvetagewe.pdfIn PDF document text
- https://bandotrading.com/uploads/file/fukususamafafuvakatewuvi.pdfIn PDF document text
- https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/nazezoti.pdfIn PDF document text
- https://cqhuaan.myhost360.cn/upload/files/09-03-06-55-01-31.pdfIn PDF document text
- https://samuelben-horin.com/userfiles/file/zifanalibuwonuke.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_off0000db8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A0 | 16952 bytes |
SHA-256: 4bd5aad2c543e6594c718aada52a92851860529138b65ca1684d47271d5ef954 |
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font_02_sfnt_off00011f8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F8E | 10512 bytes |
SHA-256: dcf67a3630d1e246b5812f9cc0f83781b10882ccf31162931671053bebd16cfa |
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