MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The high number of external links, many pointing to unknown domains, suggests a phishing or credential harvesting attempt, or a lure to download additional malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://tessuno.com/upload/files/613f2c2c6dee0.pdf In PDF document text
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/mivupajegadoxenogozana.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/radivokelowor.pdfIn PDF document text
- https://menokatea.com/ckfinder/userfiles/files/57449447503.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/togakajujosoranotesuw.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/juvemekofed.pdfIn PDF document text
- http://slovbau.sk/test/userfiles/file/fixuzuxoluturu.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/pazevokezobasu.pdfIn PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/26422985394.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/40788680853.pdfIn PDF document text
- http://primeasset.hu/fileok/file/fedemelonedoraluruzo.pdfIn PDF document text
- http://gavionescodeinsa.com/userfiles/89867671236.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614deff01c148---23249405668.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/duzogowe.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/vafebewapexiboz.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/39197970855.pdfIn PDF document text
- https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/47438710920.pdfIn PDF document text
- https://xulynuocphangiathinh.vn/images/pic/file/zorurube.pdfIn PDF document text
- https://lose-weight.tw/upload/files/22851742173.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/47b1360df2dd49e3dfa2c233e6dbe801/vumaturilojo.pdfIn PDF document text
- http://hytechplus.com/userfiles/file/dewetubig.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/dibudo.pdfIn PDF document text
- http://windmill-bv.com/userfiles/files/rukaxuwukeluzaxukusamide.pdfIn PDF document text
- http://areawifi.com/DESARROLLO/userfiles/files/kobagoguxugegosamoxosuten.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/pagemozirabidopofexewakel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=organic+chemistry+by+wade+8th+edition+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_off0000b21c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB21C | 11596 bytes |
SHA-256: ed529256145797ef62dc70483f428dd35072ead72d6f3ea464c521376ac3959a |
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font_01_sfnt_off0000cd31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD31 | 14740 bytes |
SHA-256: 3098f39d26d5706dc3c665335d21961f7dc99c979b8ed6f4e1a52a26ab710b27 |
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font_02_sfnt_off0000f257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF257 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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