MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content. The ClamAV detection and ML classifier further indicate malicious intent, likely phishing or malware delivery. No scripts were extracted, but the structure and URL patterns are consistent with a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9142
Heuristics 5
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://chcial.ru/uplcv?utm_term=cloud+gaming+unlimited+time
- https://dansobentre.net/uploads/file/xepepije.pdf
- https://unosms.us/userfiles/file/69982925718.pdf
- http://hcbarrett.com/user_area/file/44784260591.pdf
- http://llux.vn/uploads/files/wivipizumidoz.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd45a03757---98724957706.pdf
- https://kapokcmassage.com/uploads/files/202109031135331658.pdf
- https://natatourism.com/userfiles/files/50061717234.pdf
- https://saintarseny.ca/sites/saintarseny.ca/files/file/1651458418.pdf
- https://kurtoglumob.com/upload/file/38996858853.pdf
- http://www.poliklinika-hb.cz/userfiles/file/18703045854.pdf
- https://jin-hung.com/userfiles/file/83066143393.pdf
- https://triangle-electronics.com/assets/userfiles/file/50500228574.pdf
- http://farmaciafici.com/userfiles/files/gumomuwobo.pdf
- https://ises.ca/phpsites/vertical_living/uploads/file/30264494719.pdf
- https://mmeasar.com/mmeasarfiles/file/22062286764.pdf
- http://gyogytornasziget.hu/uploads/files/72293994572.pdf
- http://benevolo.it/userfiles/files/69474150004.pdf
- http://lucidareemantenerepavimentifaidate.it/userfiles/files/xanuvekakekikov.pdf
- http://alemotta.com/resources/original/file/89183199426.pdf
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/genima.pdf
- http://ablerexthailand.com/userfiles/files/xapinitiwagezaduvuxiz.pdf
- http://photopuzzle.net/userData/board/file/30155792068.pdf
- https://kmedebiyatgunleri.com/ckfinder/userfiles/files/85762564756.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_off0000d7b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B1 | 16792 bytes |
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