MALICIOUS
126
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. It contains numerous embedded URLs pointing to potentially malicious sites, with one URL specifically mentioning 'castle clash apk hack', suggesting a lure for game-related scams or malware. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://krisoc.ru/uplcv?utm_term=castle+clash+apk+hack PDF link annotation
- http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/zaxubisulegurodixevedul.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/74463440935.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/mevofukabeg.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/diwofowuwofoveti.pdfIn PDF document text
- https://www.nvsrolko.org/ckfinder/userfiles/files/leresabiluwufewerapeforuf.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/dqntbd36jpfrr9lqfk1okthu67/lemugupewawikuteroludix.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/fagozizagitasuvuto.pdfIn PDF document text
- http://lagostena.it/userfiles/files/besofeririwalonulola.pdfIn PDF document text
- http://vhz.cz/user-files/refezovewigoji.pdfIn PDF document text
- https://phm.vn/upload/files/39381353765.pdfIn PDF document text
- https://fond.ru/userfiles/file/95667618586.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/67168536954.pdfIn PDF document text
- http://heimundsicherheit.de/userfiles/file/59225634452.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/12429175616.pdfIn PDF document text
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/gagukegatanulabexisixamo.pdfIn PDF document text
- http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/zivexapafu.pdfIn PDF document text
- https://anctools.com/ckfinder/userfiles/files/wovitosunigojapofekewux.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d7ec79c947---36011309718.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/32368947242.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/wajiwitepik.pdfIn PDF document text
- http://lighthouse-connection.at/myPix/file/29540120556.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/9788757820.pdfIn PDF document text
- https://lochoanggia.com/upload/files/makibapobimajipagosafe.pdfIn PDF document text
- https://cakamuzejs.riga.lv/ckfinder/userfiles/files/44767021691.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB055 | 10180 bytes |
SHA-256: 71ca7186f13dd189a3cbcb1f9d32e1f65dd5384d59d7ed309aa3a0623d101439 |
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font_01_sfnt_off0000c753.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC753 | 15600 bytes |
SHA-256: c4be802f7864fb497e380a93bee8c0afdbe8d63c88b05744eb95cfa7f288ca9e |
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font_02_sfnt_off0000eefb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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