MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, with critical and high severity firings. It contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, indicating a phishing or malware distribution attempt. The PDF's structure and numerous links suggest it's a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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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://wastran.ru/uplcv?utm_term=how+to+get+lots+of+gems+in+clash+of+clans PDF link annotation
- https://dienmayminhchau.vn/uploads/news_file/69658411045.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/e8a9585bc4bafb88729298870ea0de70/38772334418.pdfIn PDF document text
- http://tsnpharma.com/upload/files/64256870980.pdfIn PDF document text
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/56949909261.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/6343383705.pdfIn PDF document text
- http://gyermekhaz.hu/Content/site_images/files/romoxewozawawizulizoden.pdfIn PDF document text
- http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/48126127878.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/64209618895.pdfIn PDF document text
- http://tnshoppingbag.com/upfiles/file/4734028650.pdfIn PDF document text
- http://connectcontrol.net/files/userfiles/files/99080036887.pdfIn PDF document text
- http://ch-bovi.com/upload/files/95064682260.pdfIn PDF document text
- https://mitrasuksesku.com/userfiles/file/95603636888.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/migawawizinabijemaluguw.pdfIn PDF document text
- http://smartraoptics.com/fck_filemanager_upload/file/lobupofulenimuduw.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/55779125618.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/dibulifititiwokaf.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/55331611696.pdfIn PDF document text
- http://guss-ex.de/uploads/fck/file/29933657247.pdfIn PDF document text
- http://cmorshomecareassociates.org/uploaded_files/userfiles/files/kesunopowuvajoki.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/jowadupizitizopuwonefe.pdfIn PDF document text
- http://yeosingol.com/FileData/ckfinder/files/20210910_3A51EF061A351F16.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161319f332483d---11122690907.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/kirebijusexiron.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_off0000decb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECB | 10760 bytes |
SHA-256: 68fc43a81034cb4c5ed0c36cbf82d1bab67b026b22df184d288a384d03dd056c |
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font_01_sfnt_off0000f765.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF765 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F77 | 19040 bytes |
SHA-256: b21a3a9ca561c7ae4168d3829821bbd9f48fd5ec886eaa4feaa00c7b87329b43 |
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