MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF viewers or delivering malicious content. The PDF also contains numerous external URIs, many of which point to potentially malicious or disposable domains, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to a compromised site for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://lyzph.com/userfiles/file/Fl202109031829002496.pdf In PDF document text
- http://xaydungphongphu.com/uploads/files/vesegoz.pdfIn PDF document text
- http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/wukalenok.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/penonudozijaxo.pdfIn PDF document text
- http://yalcinsezer.com/upload/ckfinder/files/dereve.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/detivalunafoloruz.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137adb6ef734---ligupedib.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109060506412630.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/58967224978.pdfIn PDF document text
- http://radissonhoteltraining.com/userfiles/file/61391759849.pdfIn PDF document text
- https://marathonlaval.com/userfiles/files/vemigopud.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/1259087396.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/11933778428.pdfIn PDF document text
- http://sangtaoad.com/uploads/userfiles/file/69714004370.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/39809253225.pdfIn PDF document text
- http://viviapalermo.com/userfiles/files/witokizugonivugazul.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/28946471745.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/68059637430.pdfIn PDF document text
- http://rent-lease-no1.com/userfiles/file/20210904163654.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021962135208196.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/fulinupuwelanowavevimowep.pdfIn PDF document text
- https://gestcargo.com/uploadfiles/file/84372439603.pdfIn PDF document text
- http://mothertheresapublicschool.com/userfiles/file/52587421968.pdfIn PDF document text
- https://mimpidia2.com/contents/files/liwupesawakelozutefab.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/35391998640.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=sadlier+vocabulary+workshop+level+blue+pdfPDF 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_off0000bfe4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F6 | 17804 bytes |
SHA-256: 7b54764dba6b3191a1996863acc0ca8d403ed8454af2bc59183fba71f158fa18 |
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font_02_sfnt_off00010697.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10697 | 11188 bytes |
SHA-256: 241d0416ee5f8b31d9b052040aa49eece40a0aa7db0a7e8699e85cf8e6023178 |
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