MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for malicious PDFs to execute code. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host numerous links on disposable domains, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://csc021.com/userfiles/file/20210902110428_c3ropl.pdf In PDF document text
- https://10glazsikeyrosa.ru/file/ninoju.pdfIn PDF document text
- https://fotografski-studio.kost.si/userfiles/file/35016909090.pdfIn PDF document text
- http://madmojo.com/fckupload/file/pamevutibemixiruber.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140614f428ed---xejonesudukizujogovasukel.pdfIn PDF document text
- http://liccuza.ro/stiri_files/file/rafanabego.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/41064263938.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021090110525573499.pdfIn PDF document text
- https://giolog.biz/images/bulk_images/files/fipetixisexukenupu.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/43484159292.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/18391290340.pdfIn PDF document text
- http://www.catedralirodahaz.hu/data/editorfile/fafozorowasufinure.pdfIn PDF document text
- http://vestmorecapital.com/images/epost/25500794295.pdfIn PDF document text
- http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18796910238.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/gulezapeka.pdfIn PDF document text
- http://tyextractor.com/d/files/nutejaliseku.pdfIn PDF document text
- http://rambud.pl/uploaded/file/87852763497.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/7615231419.pdfIn PDF document text
- http://astmasme.com/userData/board/file/32060582845.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/lapinop.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/0p9q9hj4dq9mvda956ag415s6n/kafuvamezajibarise.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/22268841346.pdfIn PDF document text
- http://red-persimmons.com/upfiles/editor/files/8243687118.pdfIn PDF document text
- http://romovi.net/sgi_userfiles/userfiles/files/54206009835.pdfIn PDF document text
- http://laser-piskovani.cz/democms/userfiles/file/wivazenaduje.pdfIn PDF document text
- http://flapboxes.com/userfiles/files/goluxiratanuvelanome.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=modded+snapchat+iosPDF 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_off0000c539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC539 | 16532 bytes |
SHA-256: a89b755ebd0e8ed105cf12def748c29a695dcd5b8eb5bbc13bbf41157e337b08 |
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font_01_sfnt_off0000efa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C0 | 10460 bytes |
SHA-256: 68dfb06679f65b7f02b928a16fa5fa611f5cc23bce636684f97a7c0fb51ca14e |
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