MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with a high concentration on potentially disposable hosting, indicating a link farm or redirection strategy. Heuristics and ClamAV detection confirm its malicious nature, specifically flagging it as phishing-related. The ML classifier also strongly indicated maliciousness. The primary purpose appears to be directing users to external sites, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.7736
Heuristics 4
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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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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://catamma.ru/uplcv?utm_term=music+maker+apps+for+android
- http://www.pes.edu.mn/ckfinder/userfiles/files/lirovul.pdf
- http://pspectr.ru/userfiles/file/sezazukuwivixe.pdf
- https://kiofruits.com/admin/uploads/files/46340733275.pdf
- https://weeb.nu/userfiles/file/27704088087.pdf
- http://ccspatti.org/userfiles/file/20684313411.pdf
- http://www.gobarging.com/uploads/textareas/file/39458286841.pdf
- http://midesignvn.com/uploads/files/wizinewinomuw.pdf
- http://milwaukee.center/userfiles/file/jinifafukurad.pdf
- http://boras-sjuharad.boj.se/uploads/userfiles/files/ruwinuwubafusumux.pdf
- http://groupementpecheduloir.com/ckfinder/userfiles/files/vumitepivelupunoxulinap.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16143f65f96a32---2156023449.pdf
- http://atek-ent.com/upload/file/vowemov.pdf
- http://ascensionchina.com/userfiles/file/kipibarar.pdf
- http://cleangroupbd.com/ck/upload/files/73912445030.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/55606176371.pdf
- https://grafconsulting.pl/Upload/file/45911877816.pdf
- https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/galafusegizofugan.pdf
- http://yuha.be/_files/file/vurojikipinosineb.pdf
- http://lachambredechos.com/userfiles/file/97255843445.pdf
- http://fst-uinsu.net/userfiles/files/lixazevewili.pdf
- http://phongkhamthienhoa.org/images/files/miterawepasotajokokawane.pdf
- http://kartywspomnien.pl/uploads/assets/file/sarazuvewovepi.pdf
- http://naosgym.com/userfiles/files/fiwobesesitoped.pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2cb.bina4057c2005cb4e0c33586b46938cc403453f6eef6086411f97a771719e9f1da4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CB | 10820 bytes |
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