MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious intent. It contains numerous embedded URLs pointing to disposable domains, characteristic of a link farm used for phishing or distributing further malware. The presence of external URIs and the 'link farm' heuristic strongly suggest a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://wastran.ru/uplcv?utm_term=age+of+war+unlimited+money PDF link annotation
- http://terezmisszio.eu/files/file/64132415933.pdfIn PDF document text
- http://ideatity.com/ckfinder/userfiles/files/wajapegazikevevipag.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/24700627005.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/24219330130.pdfIn PDF document text
- http://bocghedanang.com/media/ftp/file/zusiba.pdfIn PDF document text
- https://signatureshreyas.in/userfiles/file/45602141302.pdfIn PDF document text
- http://zlhk.ru/upload_picture/file/27732493553.pdfIn PDF document text
- http://apvn.info/userfiles/file/3866794452.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/gisejesulog.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/94627080656.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/kugupabi.pdfIn PDF document text
- https://satbietthu.com/luutru/files/ruvowowazovajum.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/zijovazunawewirufet.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5d1701a3a---ludamibugomanawegusu.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/lolin.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/83319281828.pdfIn PDF document text
- http://laihoawedding.com/app/webroot/upload/files/vowilonexenadizoxu.pdfIn PDF document text
- http://builderall.info/userfiles/file/85627173629.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/jupeb.pdfIn PDF document text
- https://emailing-online.fr/uploads/userfiles/file/46414931590.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/goxegobepexo.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/81022264841.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/960986698a30a9170c8eddc5a668b277/devatijija.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_off0000c093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC093 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A5 | 16708 bytes |
SHA-256: acd58f9bb2f893b497427c398a071cfa05e1702193f0f2992c6baa1240e2af47 |
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font_02_sfnt_off00010352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10352 | 10812 bytes |
SHA-256: 38ac1cb7d765191b948e3d56f2db5795374a106f594991f64cbaf09d76944303 |
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