MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs to execute code. The PDF also contains numerous external URIs pointing to disposable domains, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://inwebjor.ru/uplcv?utm_term=among+us+play+online PDF link annotation
- http://sor1310.com/userfiles/file/jifavakopasokajipi.pdfIn PDF document text
- http://velomagazin.hu/UserFiles/file/zegemupenakofotasefegi.pdfIn PDF document text
- https://maggievanostrand.com/uploads/media/file/kajefotezotefawumesoxepas.pdfIn PDF document text
- https://zenmobile.in/jaipriyart/uploads/files/birujibunun.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16137577a00ea0---kolitat.pdfIn PDF document text
- http://modernplating.com/userfiles/file/47170467690.pdfIn PDF document text
- http://rococosofa.com/files/files/79598524301.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161362153ebb68---xafoxaxoxexejobifeta.pdfIn PDF document text
- https://ourguarantees.com/userfiles/file/8925986751.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/75993468489.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/37315520417.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/57339513191.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///valoxezijawizulanilu.pdfIn PDF document text
- http://thibidi.vinadesign.info/uploads/images/files/tusapaguzofafixo.pdfIn PDF document text
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/84101417084.pdfIn PDF document text
- http://muzycznescyzoryki.pl/userfiles/file/22113966550.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/robefuzozapotozita.pdfIn PDF document text
- http://degrossier.nl/uploads/file/69333869759.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/13030714220.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/2217221142.pdfIn PDF document text
- https://sindhuinvestment.com/ckfinder/userfiles/files/dazapipipifavu.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/mukomenowi.pdfIn PDF document text
- http://faptvmedia.com/userfiles/file/99875350350.pdfIn PDF document text
- http://amkchem.com/upload/files/lafemepurijedapavilijame.pdfIn PDF document text
- http://acutecardio.ru/sadm_files/xoxolevokove.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_off0001065b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065B | 18664 bytes |
SHA-256: 24a8595b70819c4ac94d9d7ae8a1022114acb8b67d0b8dbfba252e24a7fec156 |
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font_01_sfnt_off000136e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014ef9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF9 | 10592 bytes |
SHA-256: 51a995a389dd45bfacab7381639f539f2aa801e1af53d326a63fe1e9ca15f77e |
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