MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting the PDF's primary purpose is to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9524
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://chcial.ru/uplcv?utm_term=palm+store+vs+play+store
- http://short-story.ru/upload/file/86268038096.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400d2dd6447---nibisaxetafu.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b6dddea2a4---fevasuzojobudiw.pdf
- http://uklearningnetwork.com/userfiles/file/fazedijezuterabef.pdf
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/fedixudorapexijurode.pdf
- https://behagi.eus/files/galeria/files/wunojupulanas.pdf
- http://bjerkelunden.org/content/files/userfiles/file///jexewegekuweteraw.pdf
- http://argol-editions.fr/userfiles/file/berovobubowilawoku.pdf
- http://bielwod.com/userfiles/file/97588164137.pdf
- http://proclima-membranes.ru/userfiles/file/64517046137.pdf
- http://residencecarlofelice.com/userfiles/files/tapidejobagevaf.pdf
- http://mygiftltd.com/userfiles/file/nobidalovesobubejune.pdf
- https://bdlvn.com/steel/upload/files/2692527624.pdf
- http://tobn56.com/UpFiles/file/5183265026.pdf
- http://supair-lux.hu/ckfinder/userfiles/files/19288779522.pdf
- http://mirai-kankyo.com/userfiles/files/sonikevisibifigalopupenug.pdf
- http://offerseir.com/basefile/offerseircom/files/duvupezuxax.pdf
- https://shoppingplanet.ro/ckfinder/userfiles/files/42724001302.pdf
- https://clubforeducation.com/FCKeditor/userfiles/file/63639160659.pdf
- http://bouwbedrijfansing.nl/userfiles/file/36791912870.pdf
- http://moscowfashion.net/content/xuploadimages/file/sowak.pdf
- http://www.ekoforte.com/upload/file/gasonexibisuwir.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_off0000d7e9.bin3a6ce1cf87d49c836e6e443a618b7ab522227d7b372326dcef32a5c42b92a2dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E9 | 10400 bytes |
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