MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to disposable hosting and utilizing UTM parameters, strongly suggests a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights the link farm nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://queure.ru/uplcv?utm_term=increase+bluetooth+volume+android PDF link annotation
- https://dusunceokulu.net/resimler/files/1778504877.pdfIn PDF document text
- https://bellcera.60km.com/upload/files/dadusikemamafiwamataxot.pdfIn PDF document text
- http://www.drivingschool-brno.cz/files/files/55351798295.pdfIn PDF document text
- https://ms2gacor.com/contents/files/93934519154.pdfIn PDF document text
- https://duvanco.be/docs/files/feronabafozoditat.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/37607572326.pdfIn PDF document text
- http://uniradioweb.info/userfiles/files/kelubix.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/41esgepqkm87upjvnu7ptsousr/xorosavuw.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/92935114274.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/45914637655.pdfIn PDF document text
- https://escolaalfa.com/userfiles/file/78799558136.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/14962737943.pdfIn PDF document text
- http://medrea.ru/upload/files/12314009314.pdfIn PDF document text
- http://ibarugi.com/fckeditor/userfiles/file/topopozisajoz.pdfIn PDF document text
- https://openkomm.yussfone-crm.com/userfiles/file/zerefadiju.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/99119538484.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/tipanifajilerutinax.pdfIn PDF document text
- https://amgaa.org/temp/files/tubexafezepuxeji.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/kezowovurenuwakexaxu.pdfIn PDF document text
- http://glavis.biz/userfiles/file/dunelazite.pdfIn PDF document text
- https://posetili.ru/userfiles/file/zimitijiw.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021951145411727.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/masifekuvilifubujukin.pdfIn PDF document text
- http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/77323108064.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_off0000bf79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF79 | 10892 bytes |
SHA-256: cdec0be0a9031cbe9e752b063140aa5637bec31a08a06462a09a5daa253567b2 |
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font_01_sfnt_off0000d874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD874 | 16480 bytes |
SHA-256: 3ca17278c716df949922b61c2707ac450a6b8a5e7977e356cec922c8ead9cf2e |
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font_02_sfnt_off000102ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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