MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this malicious intent. No scripts were extracted, but the presence of numerous external URIs points to an attempt to redirect the user to malicious content.
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://crysiq.ru/uplcv?utm_term=android+wifi+assist+turn+off PDF link annotation
- https://poojaindiangrill.com/nbloom/fckuploads/file/xigoximomusokudak.pdfIn PDF document text
- http://owop.challengersports.com/ckfinder/userfiles/files/wapokevidijude.pdfIn PDF document text
- http://rqconsultores.com/userfiles/file/puruxoxevijiwixowivu.pdfIn PDF document text
- http://doggystylzgrooming.com/admin/photos/file/jutamunudewulubirolu.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/11398159057.pdfIn PDF document text
- https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/39568433552.pdfIn PDF document text
- http://shahnawazonline.com/uploads/files/23037951196.pdfIn PDF document text
- https://sunsoftinfoway.net/ckfinder/userfiles/files/telizagoloxovati.pdfIn PDF document text
- http://escalierdurire.fr/ckfinder/userfiles/files/panejomaxuvujozonesawez.pdfIn PDF document text
- http://caopump.com/admin/userfiles/file/bizamaxinuxajovibunifegu.pdfIn PDF document text
- http://www.asiacoservice.com/file/files/58839900250.pdfIn PDF document text
- http://zzquansu.cn/d/files/16252333980.pdfIn PDF document text
- https://maurinet.com/userfiles/file/tabenatosidojesewix.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/33266116259.pdfIn PDF document text
- http://thehedgerowchronicles.com/ckfinder/userfiles/files/kuxadosozad.pdfIn PDF document text
- http://forumcutuca.com/ckfinder/userfiles/files/tudizov.pdfIn PDF document text
- https://eurotig.ro/file/63499271553.pdfIn PDF document text
- https://ewt.cz/res/file/57331057487.pdfIn PDF document text
- http://gardena.crazyrockinsushi.com/uploads/files/75592342503.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16143713202b89---nefudebifukaboromite.pdfIn PDF document text
- https://dcoderesearch.com/uploads/61873209981.pdfIn PDF document text
- http://boonfagrandhome.com/user_img/files/97861007348.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/87073055858.pdfIn PDF document text
- http://safetruck.gr/images/file/56668036441.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff2125c2fd---sirenuwisipo.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_off0000dfc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC9 | 17896 bytes |
SHA-256: f093aef3286f830897876ac768988db4c9d5c26531f9951c6cbb0da533782817 |
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font_01_sfnt_off00010e08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E08 | 10336 bytes |
SHA-256: 0557d9635125ff6dd4b369a743ef6235287e3512ab238fb1034c056a34f371de |
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font_02_sfnt_off0001258e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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