MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier. It contains a high number of embedded URLs, many of which are hosted on disposable domains and utilize UTM parameters, indicating a link farm or phishing campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.5898
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 https://archism.ru/uplcv?utm_term=casino+cheat+gta+5
- https://hondamienbac.vn/userfiles/file/26965241380.pdf
- http://datavincity.com/uploads/ckfinder/files/bevavijomigugakerob.pdf
- http://hongshengfish.com/uploadfiles/2021091023383922448.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318368cd00d---93176348103.pdf
- http://veszpremkosar.hu/_user/file/92221443098.pdf
- http://dermalab.pl/userfiles/file/61335491295.pdf
- http://gurolmumcu.com/userfiles/file/29132784041.pdf
- http://helloslow.com/data/userfiles/files/23967751793.pdf
- http://intelekt.biz/uploads/pages/files/67328677157.pdf
- https://llibreriaha.com/img/events/file/33297008091.pdf
- http://innobiztour.com/FileData/ckfinder/files/20210911_17098EAC3A572613.pdf
- http://bbmeti.it/userfiles/files/10777564021.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e91abb1a96---96679754679.pdf
- https://razredna-nastava.net/files/85082494165.pdf
- https://destockbaby.com/ckfinder/userfiles/files/27849645155.pdf
- http://yeosingol.com/FileData/ckfinder/files/20210910_DDC78CC638E69A7C.pdf
- http://www.impactit.in/ckfinder/userfiles/files/jenuxifut.pdf
- https://uat-tunisia.com/userfiles/file/52832611004.pdf
- https://verredistri.fr/xmedia/file/regodaxigarifavutesimup.pdf
- http://topstec.com/d/files/49825447204.pdf
- http://pspectr.ru/userfiles/file/bugisuninenizawilodutuzi.pdf
- https://nhaccugiare24h.com/uploads/userfiles/file/79331179591.pdf
- https://fontan-montag.ru/img/upload/5571607075.pdf
- 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_off0000d9da.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DA | 16792 bytes |
font_01_sfnt_off0000f1f1.binf267d2c73a97fc7180838efcbb3b5d93b87174d6f4ac77f512fe7a72f39fa9f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F1 | 10528 bytes |
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