MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan variant. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a likely attempt to redirect users to malicious content. The presence of external URIs and the link farm heuristic strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laborke.ru/uplcv?utm_term=copy+contacts+from+android+to+computer PDF link annotation
- http://michelschuurmans.nl/images/uploads/file/98735838674.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615307c635919---zuwedelaruvo.pdfIn PDF document text
- https://bursakaynak.net/userfiles/file/67210934769.pdfIn PDF document text
- https://gloriamus.org/Uploads/userfiles/files/wetadiruvas.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/mebinanojilex.pdfIn PDF document text
- https://www.domosystem.gr/ckfinder/userfiles/files/44598708901.pdfIn PDF document text
- http://imcborivali.org/userfiles/file/pidobunuzulumelalu.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/65150045190.pdfIn PDF document text
- http://waxiangyuan.com/upload_fck/file/2021-9-6/20210906092210218308.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210916_180638.pdfIn PDF document text
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23144548622.pdfIn PDF document text
- https://on-the-markmarketing.onthemarkmarketing.com/userfiles/file/30546795942.pdfIn PDF document text
- https://commonwealthsportsawards.com/userfiles/file/raguzil.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/34549397493.pdfIn PDF document text
- http://3e-machinery.ru/app/webroot/filesfiles/kinabotanoli.pdfIn PDF document text
- http://ressourcengarten.de/azubi/userfiles/files/jaxelozurexadegunoruse.pdfIn PDF document text
- http://odesignlab.ru/admin/ckfinder/userfiles/files/95126963151.pdfIn PDF document text
- https://flavio-tonon.it/public/file/51207925079.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9d6ae6cbe---jupatebilamowunelubo.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/marupon.pdfIn PDF document text
- http://hdg-gmuend.de/userfiles/files/72010800670.pdfIn PDF document text
- http://www.eau-msu.ru/ckfinder/userfiles/files/66601360071.pdfIn PDF document text
- http://myphamnanyno.com/luutru/files/9859968724.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/vagubikaxikoxevajowan.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_off0000afb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFB5 | 10980 bytes |
SHA-256: a0978ef7e345da52fd61caec57cc8c8fd304f8c1f7308627d1453f97b14d98ae |
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font_01_sfnt_off0000c945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC945 | 15692 bytes |
SHA-256: 6c5c746969ab8df649d865ae490ca2f4676e3598b99ad4f25cf0f8f01c81307a |
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font_02_sfnt_off0000f09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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