MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to potentially malicious domains, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links are characteristic of a link farm used to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://chcial.ru/uplcv?utm_term=android+phone+clock+display PDF link annotation
- http://orchid-daikanyama.com/userfiles/file/tumobagazi.pdfIn PDF document text
- https://branches.armz.ru/media/File/denapisutiferupugux.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/xefiliribimiwavibanan.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/48004748749.pdfIn PDF document text
- http://delannahotel.com/user_img/file/ragijabid.pdfIn PDF document text
- http://szintai.hu/ckfinder/userfiles/files/wavamejasupuxofizax.pdfIn PDF document text
- http://bastola.org/userfiles/file/5653597124.pdfIn PDF document text
- http://sinching.com/uploadpic/files/202109062032317361.pdfIn PDF document text
- http://ouhkpthaa.org/userfiles/47450900940.pdfIn PDF document text
- http://idevoz.rs/files/60938661259.pdfIn PDF document text
- http://www.pantonerestauri.com/ckfinder/userfiles/files/31748936369.pdfIn PDF document text
- https://videoeffect.ir/data/file/menizuman.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/zilomixev.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/49745114893.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/matilerokutuluzezozive.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0ba85eaac---62732161103.pdfIn PDF document text
- https://ismart99.net/upload/files/robojukulimoxub.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/80981437345.pdfIn PDF document text
- http://purofirstli.com/userfiles/files/36147450759.pdfIn PDF document text
- https://shidoremicrosys.com/media/42201710584.pdfIn PDF document text
- http://aescantabria.es/upload/fckeditor/file///nuvutobo.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/32813245302.pdfIn PDF document text
- https://birotex.rs/images/files/dozijexezexok.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/kopalaf.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_off0000ae0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE0E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c620.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC620 | 14424 bytes |
SHA-256: 4d1f8ec1a58b6f8e15bf65f30d25ed0a236f421d59a732b3b9889f75c6ac6a49 |
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font_02_sfnt_off0000ea40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA40 | 10700 bytes |
SHA-256: 7676e82790cd3db5bb34dbcc51406f654602c17fe7f63a7bfc05be99e872e546 |
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