MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable PDF files hosted on potentially compromised websites. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass security filters. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://pixomot.ru/uplcv?utm_term=twrp+flash+rom PDF link annotation
- http://emploi.nat.tn/ckeditor/ckfinder/userfiles/files/wixil.pdfIn PDF document text
- https://orrizon.ru/images/file/vekerigopexu.pdfIn PDF document text
- http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/rupamobaxezowe.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/85789211127.pdfIn PDF document text
- http://njchemland.com/upload/files/tuvejovazokamumopem.pdfIn PDF document text
- http://massimomoroni.it/userfiles/files/ruvalururedul.pdfIn PDF document text
- http://smartvoicecom.com/userfiles/vedavebebu.pdfIn PDF document text
- http://thoitranglani.com/upload/files/mekawagajasuxite.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c54ff5fab4---tejesufanenawetadatoxolal.pdfIn PDF document text
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/feluzukajibikolufete.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/pinilozozorinag.pdfIn PDF document text
- http://egitara.com/upfiles/files/58074383568.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/27105046855.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/32065100804.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/81582475941.pdfIn PDF document text
- http://chemicalengineers.ie/images/9249347556.pdfIn PDF document text
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/79006751666.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/28887795913.pdfIn PDF document text
- https://dom4m.de/userfiles/files/59197901068.pdfIn PDF document text
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/riwaza.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/bumepa.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/21c1aa47c03a5796a1329aca76c223f8/robebazo.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/zisajuroxapegopibela.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_off00017544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17544 | 10244 bytes |
SHA-256: 89933b6891af9050ad0f988aa88b8dc871ad7fada6b1320d04082cf78fabe2e3 |
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font_01_sfnt_off00018c54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001a466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A466 | 18776 bytes |
SHA-256: c774e7c00c292bd6caa6092a2e6b1a672b150ec00ec941599991c60bd94d6b0b |
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