MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains. The ClamAV detection and the heuristic for a link farm on disposable hosting strongly suggest a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4752
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=how+to+sync+chromecast+remote
- https://smshealthcareservices.com/ckfinder/userfiles/files/4385187003.pdf
- http://hichipper.com/hichipper/uploadfile/file/2021090308075173499.pdf
- https://next-engineering.com/userfiles/files/72782735024.pdf
- https://yingzhaoliuart.com/upload/file/91971443987.pdf
- http://molenat-energies.fr/molenat.com/images/editor/file/44495970984.pdf
- https://psg66.ru/admin/ckfinder/userfiles/files/luvudadijusekupodagojakoz.pdf
- http://geometrabottero.it/userfiles/files/38482881525.pdf
- http://agriturismolionsfarm.it/userfiles/files/nodovukoveremiwodedudazi.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1613b519f62c9c---duzefivepalavuviwipekida.pdf
- https://igk-lilienthal.de/downloads/gonomerofobawubebapenak.pdf
- http://gk-eventus.ru/admin/ckfinder/userfiles/files/fozonosol.pdf
- http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/javipupibutoxeneb.pdf
- https://dtd.com.pk/ckfinder/userfiles/files/2760366367.pdf
- http://gulfcoastlist.com/userfiles/file/tifipenetapewilotabube.pdf
- http://tinhdauvietnam.vn/upload/files/86461073528.pdf
- http://olimpic.hu/ckfinder/userfiles/files/93565661991.pdf
- http://baaningdoi.com/file_media/file_image/file/37493097112.pdf
- http://thailaundry.com/imgUpload/files/renalifuxusesumadevefa.pdf
- http://tao-oita.com/admin/upload_filesfile/76777737857.pdf
- http://saint-party.com/media/file/68408225348.pdf
- http://tienphat.vn/imagesflashupload/file/51234526776.pdf
- http://kezheng.net/Upload/file/sotugijuguwinipuwemifu.pdf
- http://tauroconsulting.pl/userfiles/file/pasoxaxopulij.pdf
- http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/44505506838.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_off0000dee9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE9 | 16792 bytes |
font_01_sfnt_off0000f700.bin2a16b8e8be7b2b0b40722ce335dfd73f34cebb85a8b7de2ca45da23a4ba989e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF700 | 10548 bytes |
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