MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URLs, many pointing to PDF files on various domains, suggests a potential phishing or credential harvesting attempt, or a mechanism to download further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://neuchina.org/userfiles/file/40412294224.pdf In PDF document text
- https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/xevewoxolikiritetupudis.pdfIn PDF document text
- http://www.beverburcht.nl/upload/files/nelinirunoderumivemixif.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/97843991028.pdfIn PDF document text
- https://4wheelchile.cl/admin/uploads/file/80533514007.pdfIn PDF document text
- http://m3hotels.com/userfiles/file/79330858666.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/tizonumipepad.pdfIn PDF document text
- https://f27szerviz.hu/upload/files/raxijodirekare.pdfIn PDF document text
- https://psg66.ru/admin/ckfinder/userfiles/files/50599625721.pdfIn PDF document text
- https://konchris.com/userfiles/file/1631087137.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021091015440473499.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161398ce25b385---62055477787.pdfIn PDF document text
- http://pmke.cz/pictures/files/tezinuveduwuzojagoji.pdfIn PDF document text
- http://stellarp.com/userfiles/files/dutololal.pdfIn PDF document text
- https://anfauglir.com/images/file/22744661509.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/356bd29ab906331ecb0b6a27983f2bb9/96332440965.pdfIn PDF document text
- http://chinalabware.net/d/files/livoseberilalinimoz.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/1374983682.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/gigurobofiterone.pdfIn PDF document text
- http://trips-in.com/ckupload/files/388929546.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/21622915909.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/luwam.pdfIn PDF document text
- http://sweed-trans.eu/ckfinder/userfiles/files/fovomejotojedebu.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/zuvejasozalubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=steroid+conversion+chartPDF 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_off0000bea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEA7 | 10560 bytes |
SHA-256: c1f485988dfc5d55bd7838ffd20a4f592aabe2e856e03798327e82aa5abb8346 |
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font_01_sfnt_off0000d6af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC1 | 17740 bytes |
SHA-256: 2b6c61b76ad2256cad96c9a719419dd1eccf6d77eb193822768475f126a772ed |
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