MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The PDF contains numerous embedded URLs pointing to a link farm, suggesting it is used to redirect users to potentially malicious websites. The presence of external URIs and the link farm characteristic strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9198
Heuristics 4
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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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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 http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/meloxinemutonozuruvatez.pdf
- http://cabini.it/userfiles/files/80300491030.pdf
- https://cbdc.co/uploads/ckfinder/userfiles/files/ruzukapipigejimibinaj.pdf
- http://shrlie.com/upload_fck/file/2021-9-7/20210907060657908085.pdf
- http://daechienglishpark.com/ckfinder/userfiles/files/ligodulit.pdf
- http://christ-china.com/filespath/files/20210919194637.pdf
- http://tuzy.pl/Upload/file/59925591491.pdf
- http://www.sosonomo.com/ckfinder/userfiles/files/21740694101.pdf
- http://flamefitnessstudio.com/cewit/images/file/tojazakaludetufipukasojat.pdf
- http://first-group.kr/ckupload/files/gipuvizunimujule.pdf
- http://yuanjen.com/ckfinder/userfiles/files/42566487785.pdf
- http://mcserpenti.com/userfiles/file/12530178017.pdf
- http://arcomproltd.com/userfiles/file/84083222387.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f3e995800---67061885964.pdf
- http://denkobarbell.com/_upload/files/vilurixeloga.pdf
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/45566108363.pdf
- http://cesarrodarte.com/userfiles/file/69579188440.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130fd916ce72---89727043949.pdf
- http://barcelonasixtytwo.com/userfiles/file/69549063494.pdf
- http://rainhouse.kr/data/editor/file/4929561816142b37ccf213.pdf
- http://mp-journal.com/media/file/1980045570.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=90+degrees+in+pi
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b3d8.bin83fe89218f77840dd4bee85c89a5e5a70d674695ca0f29fa5e12216e427a5337 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3D8 | 17544 bytes |
font_01_sfnt_off0000e0cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0CF | 16792 bytes |
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