MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, with one specifically identified as part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and numerous embedded URLs point towards an attack pattern involving redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://archism.ru/uplcv?utm_term=how+to+create+a+app+in+android+studio PDF link annotation
- http://osingenieria.com/images/admin/file/pezujugafevute.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141e2ade7520---99979237032.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210906034518.pdfIn PDF document text
- http://klpa.net/userData/board/file/69710861643.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/buzofusefifin.pdfIn PDF document text
- http://17njl.com/userfiles/files/21535749695.pdfIn PDF document text
- http://netinflux.net/userfiles/file/gulasigopabepa.pdfIn PDF document text
- https://censcakmu.org/board/file/files/499887627.pdfIn PDF document text
- http://www.slappedtogether.com/editoruploadfiles/file/dixajimugigulavozebusabo.pdfIn PDF document text
- http://globalcenterhotels.com/bot/ckfinder/uf/files/nudizegababolexipedoz.pdfIn PDF document text
- https://flavio-tonon.it/public/file/35856171914.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/ranewipisadorobejomez.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/dupukotesafa.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/kilekanojuribepokoxem.pdfIn PDF document text
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/35077649744.pdfIn PDF document text
- https://kuepancong.com/contents/files/gugefobunu.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/13635440302.pdfIn PDF document text
- http://orderkai.com/uploads/files/dedivevujowoxebabumomo.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/wilenir.pdfIn PDF document text
- http://zoo-foto.cz/userfiles/file/39032055755.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc89586cc5---nepopumuwesosib.pdfIn PDF document text
- http://ewtch.com/upload/files/leruxurokigafov.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/52198207418.pdfIn PDF document text
- http://kamienneogrody.com/userfiles/file/47077218066.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_off0000e939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE939 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10150 | 10640 bytes |
SHA-256: 434caa19acef5a3fb512f40854afab485e57959091088be7b6021c5f658a3928 |
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font_02_sfnt_off000119cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119CC | 18056 bytes |
SHA-256: 61ee6ce48b321325a3a94458e209a23a5229f5abf08be4e1fd0adb54b4b104a5 |
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