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. The PDF contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's designed to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and numerous embedded URLs point towards a phishing or malware distribution vector, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=7+apk+mod PDF link annotation
- http://autovoda.ru/upload/files/49114482688.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/3e3d6e21081b98a9a912c54a93c60b9d.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/duvumodatu.pdfIn PDF document text
- http://angelescare.com/userfiles/file/xebarunefezodisetoziru.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140383354793---4941054177.pdfIn PDF document text
- https://andreivieru.com/ckfinder/userfiles/files/18407246514.pdfIn PDF document text
- http://hangnhatbanonline.com/upload/files/39382003240.pdfIn PDF document text
- http://iraneto.com/basefile/iranetocom/files/8510230899.pdfIn PDF document text
- http://sirinthepgroup.com/userfiles/file/sanew.pdfIn PDF document text
- https://dazhonghua1688.com/ckfinder/userfiles/files/55697951996.pdfIn PDF document text
- http://grandp.ru/userfiles/file/jagezoxi.pdfIn PDF document text
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fazexowimegolatusitekuri.pdfIn PDF document text
- http://garmaclima.com/uploads/ckfinder/files/92856704774.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16134cfe1c6746---73836601547.pdfIn PDF document text
- https://unicon-msk.ru/data/files/serijeximosizate.pdfIn PDF document text
- http://jandenzobv.com/image_uploads/file/40406733852.pdfIn PDF document text
- https://mokshadhamnepal.org/userfiles/files/40311429570.pdfIn PDF document text
- https://licorne-hotel-restaurant.com/userfiles/file/mafeluki.pdfIn PDF document text
- https://tsydesign.com/userfiles/jws/files/godewavajuvumar.pdfIn PDF document text
- http://starroadchina.com/userfiles/file/11497415438.pdfIn PDF document text
- https://fitness-sport.it/userfiles/file/naxexikenewe.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/dutagotagifum.pdfIn PDF document text
- http://congtyvima.com/images/Download/kavafuxisuburesulevi.pdfIn PDF document text
- http://dailythang.com/userfiles/files/7448374218.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_off0000b1b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B1 | 9856 bytes |
SHA-256: 1662d884e70fd34cb5af919b776d84dcd07183b8d721d9521e3162f65a4a60d4 |
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font_01_sfnt_off0000c760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC760 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF72 | 14680 bytes |
SHA-256: 4d0d6275e6bd310416ac04e516e9506c07c8ead2ec2e121e940d0becfd7d5b4e |
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