MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, many on disposable hosting, suggests a phishing or malware distribution campaign. The file's structure and embedded links point towards an attempt to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://synerhu.ru/uplcv?utm_term=big+data+analysis+techniques+pdf PDF link annotation
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021090601104680554.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/5060176914.pdfIn PDF document text
- http://pasted-radio.de/web/files/60900527809.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/25453155978.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/wixosebazi.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/vaxuzamifufuwik.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/gifomamubobajibolunixe.pdfIn PDF document text
- http://montesantangelo.it/files/files/rulesime.pdfIn PDF document text
- http://renovfab-menuiserie.com/userfiles/file/64873155519.pdfIn PDF document text
- http://encino.kopanramen.com/uploads/files/4808557746.pdfIn PDF document text
- https://www.acta-mobilier.fr/ckfinder/userfiles/files/39667396097.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/86880146573.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/pewakisapugazex.pdfIn PDF document text
- http://luijkzonwering.nl/image/file/fifosiv.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/ralazupibawakanejafiteb.pdfIn PDF document text
- https://akapacha.com/userfiles/file/72043059919.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/af592d76020b038feb8b36669647a800/8564647772.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16135daadb44fa---zomubo.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/zevuvexopulesibosuxu.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/83327447077.pdfIn PDF document text
- http://zl369.net/userfiles/file/7610786118.pdfIn PDF document text
- https://autonoleggioassereto.com/file/zeminujorosake.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/lomagonenogifes.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/34683674164.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/28041979254.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_off0000e916.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE916 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001012d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012D | 11092 bytes |
SHA-256: 13caa5234b5e7c0e885d6b2c0e72cbde3a84153514952e4e6e72578a341c72cd |
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font_02_sfnt_off00011a81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A81 | 18256 bytes |
SHA-256: bb263f3ffb5287795593e7385f5fa3231dbb5fd8509b4e5f5172f90bc428cbe7 |
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