MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal a link farm structure with numerous external URIs pointing to disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple unknown-reputation URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://synerhu.ru/uplcv?utm_term=recording+studio+lite+apk PDF link annotation
- http://tcsklife.com/filespath/files/20210911212454.pdfIn PDF document text
- http://seattlebestteriyaki.com/uploads/files/dukanudajivipamuvifu.pdfIn PDF document text
- https://irepairplus.nl/app/webroot/files/userfiles/files/favikugawubivupalago.pdfIn PDF document text
- http://ustunongel.com/image/files/21464134532.pdfIn PDF document text
- https://vinamex.info/uploads/news_file/39791762340.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/togajemasasaxomowidasiki.pdfIn PDF document text
- http://sooclose.eu/upload/File/muzadefevov.pdfIn PDF document text
- https://cdmsig.com/ckfinder/userfiles/files/11061995369.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/45311365420.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/53884208160.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/65971189321.pdfIn PDF document text
- http://salamino.pl/userfiles/file/5965400937.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/64143116211.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/20975860233.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/rupavigewiduvevo.pdfIn PDF document text
- https://jv-cms.crazy-jessie.nl/uploads/files/dutimodukulewapokigova.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/fedavozoxutazarozikidab.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/file/1630639232_1.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133b313db638---77862765175.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/jenezusapiji.pdfIn PDF document text
- http://umhouses.com/uploads/files/53717449061.pdfIn PDF document text
- http://cmtdental.com/upload/ckimg/files/96620505773.pdfIn PDF document text
- https://geloracinta.com/contents/files/xovomavoloranixuzigap.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/miziponobibivevoxujidig.pdfIn PDF document text
- http://www.julietlandau.com/fckeditor/userfiles/file/26996288139.pdfIn PDF document text
- http://casadiriposomarsala.it/userfiles/files/25532224040.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_off0000db7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF396 | 10928 bytes |
SHA-256: 7e0346a502cc2a24f748133083f03737fde4920c6a36f015d93ce74acf42a26b |
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font_02_sfnt_off00010cd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD3 | 18804 bytes |
SHA-256: 3dff1296ed0d70653d5d1c66b449f3f4b0afed4cbdbf98a5c9baedd6534de4ed |
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