MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating a malicious intent to redirect the user to potentially harmful websites. The ClamAV detection and ML classifier strongly suggest this PDF is a phishing or malware delivery vehicle. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://chcial.ru/uplcv?utm_term=xbox+one+emulator+android+apk PDF link annotation
- https://maydangson.com/vietkiendo/upload/file/59481392016.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/sitipofinukej.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/81872318186.pdfIn PDF document text
- http://phuvuongcorp.com/luutru/files/fiseseguvanupisavevimusiz.pdfIn PDF document text
- https://adverto.ee/userfiles/file/71601714771.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/58570712011.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/48813833918.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614f25edddbef---tudanalogigofirunukix.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/35912919014.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/34421070874.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/30104448404.pdfIn PDF document text
- https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/medolopirekizineruvidafu.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/vusugudosoru.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16152f67b28c8c---38575871696.pdfIn PDF document text
- https://hinaweb.com/upload/file/xatipopaxewuxoli.pdfIn PDF document text
- http://saigondome.com/uploads/userfiles/file/15050925515.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/riviwatafekukewutol.pdfIn PDF document text
- https://kompaspt1.com/contents/files/lenefafupogiseg.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/xadugefolobe.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/9608871505.pdfIn PDF document text
- https://stka.gr/ckfinder/userfiles/files/bededawajudejumow.pdfIn PDF document text
- http://luyenthidhcanhsat.com/Images_upload/files/lozekelud.pdfIn PDF document text
- http://camonetinternational.com/files/file/rapewokedulivib.pdfIn PDF document text
- https://thefertilizergranulator.com/d/files/54165504273.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_off0000b222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB222 | 14696 bytes |
SHA-256: dedbfdd945be9beb396ebbca17cdbd85a2dce2335d79bf63ce4252abee97c537 |
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font_01_sfnt_off0000d6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF00 | 10828 bytes |
SHA-256: d55dfe7234509063871bd86becef7fee259e49a6f0efdf18c8c8c5687138187a |
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