MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of external links, suggesting an attempt to distribute or host malicious content across multiple domains. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://proartgaleria.hu/files/files/5377243209.pdf In PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140cde869fc7---38627558782.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/84778180850.pdfIn PDF document text
- https://szpital-sulecin.pl/images/fckfiles/file/zakuwitisilezadinumazejo.pdfIn PDF document text
- http://seghers.kr/data/editor/file/15330783986138a1ffbaab3.pdfIn PDF document text
- https://dawnraytech.985.tw/data/file/userfiles/files/fadanubafakuk.pdfIn PDF document text
- http://goodlack.cz/userfiles/file/32749398589.pdfIn PDF document text
- http://ministerium.pt/files/30165045989.pdfIn PDF document text
- http://medica-brno.com/files/62767978390.pdfIn PDF document text
- http://dongbanja.com/userData/ebizro_board/file/tivofada.pdfIn PDF document text
- http://apsons.eu/files/file/18287987582.pdfIn PDF document text
- http://oasishs.com/uploads/files/20210907_154939.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/67227218805.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/5b20b7b9d8d062ff7b69a271bf7b8055/ruxosab.pdfIn PDF document text
- https://centaur.vri.cz/docs/files/25291325780.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/52599643512.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/geranowebuvewiti.pdfIn PDF document text
- http://eurosolar.cz/res/file/84407370762.pdfIn PDF document text
- http://craft-personal.de/userfiles/file/waveniwapibabukowibod.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/5613352725.pdfIn PDF document text
- http://shiinamotors.com/js/upload/files/73797255568.pdfIn PDF document text
- http://psychologadamczak.pl/userfiles/file/danegobidedazevike.pdfIn PDF document text
- https://bahamianbrewery.com/ckfinder/userfiles/files/59105920191.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/zawuxorelorixedifiji.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=brining+meat+for+smokingPDF 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_off0000e3dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF3 | 10656 bytes |
SHA-256: 94f85fca2450b3b8f9b36fdd70c53d013e9d39205e9f7031c4ebf83312bef0f4 |
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font_02_sfnt_off00011463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11463 | 19152 bytes |
SHA-256: 31ac3808b8aa137610fd22b5908800b8ef2c87ab89506c189d95acd840f2af4b |
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