MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host numerous links on disposable domains, likely for phishing or malware distribution. The presence of external URIs, such as 'https://crysiq.ru/uplcv?utm_term=download+dude+theft+wars+multiplayer', further supports this, as these are often used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 5
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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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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://crysiq.ru/uplcv?utm_term=download+dude+theft+wars+multiplayer PDF link annotation
- https://hamzsabegi60szallo.hu/UserFiles/File/85579256242.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202108312147196605.pdfIn PDF document text
- http://tsrmmessina.it/userfiles/files/rigozurebu.pdfIn PDF document text
- http://fruhmann-elektrotechnik.at/metafuvapidivanurewumede.pdfIn PDF document text
- http://marosme.ro/hirek/file/tojemeviru.pdfIn PDF document text
- https://vinadesigndanang.vn/uploads/image/files/56567259397.pdfIn PDF document text
- https://www.serwkom.pl/plugins/ckfinder/userfiles/files/tutigutus.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/d1894ad84b40d222b90dfb95a4c8ac2b/pukovefigetakaminoxal.pdfIn PDF document text
- https://hinaweb.com/upload/file/84976369893.pdfIn PDF document text
- https://hediyelikhanem.com/calisma2/files/uploads/51286137169.pdfIn PDF document text
- https://cyklo-wellness-penzion-palice.cz/content/vixinun.pdfIn PDF document text
- https://thietbivesinhsonhoa.com/webroot/img/files/29595035465.pdfIn PDF document text
- https://33mobility.net/uploads/files/98719616746.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/57314804600.pdfIn PDF document text
- http://greatwalledmond.com/ckfinder/userfiles/files/7314791776.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/99818295384.pdfIn PDF document text
- http://narzedziascierne.eu/Upload/file/godid.pdfIn PDF document text
- http://dongamold.com/fckeditor/upload_files/file/lugudijirelanuketa.pdfIn PDF document text
- http://studiopedrazzini.eu/userfiles/files/52834260365.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/korurujuridosiwefosekox.pdfIn PDF document text
- http://wuyioutdoor.com/userfiles/file/30318852968.pdfIn PDF document text
- https://tungafilm.com/dorceiys/ckfinder/userfiles/files/migivijodujuferumurese.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/37701662543.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_off0000f7c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C7 | 11064 bytes |
SHA-256: 281c485b517fcc5be274f9d1067b91a4833ea6fa1ef7eb8471cc1f6e0298c85d |
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font_01_sfnt_off00011164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11164 | 20560 bytes |
SHA-256: e740d00016b912b04eb4e8b7fbfe39e8ab972483e3e9aeb5cd8b42f434820173 |
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font_02_sfnt_off000147a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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