MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The presence of numerous external URIs, many pointing to disposable hosting and configured as a link farm, strongly suggests a phishing or malware distribution campaign. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further supporting the malicious nature of the file.
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://medvor.ru/uplcv?utm_term=droid+vpn+working+proxies PDF link annotation
- https://pima-alarms.eu/slicice/file/somixun.pdfIn PDF document text
- http://dgelc.com/userfiles/file/20210920111026.pdfIn PDF document text
- https://careersourcechipola.com/files/public/26712969364.pdfIn PDF document text
- https://art-gallery.mn/uploads/files/45936677226.pdfIn PDF document text
- http://bamor.org/userfiles/file/xatipixematog.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/46665778789.pdfIn PDF document text
- https://afmiletisim.com/resimler/files/49669346847.pdfIn PDF document text
- https://thegmsbihta.eruditiontech.com/userfiles/file/lazelema.pdfIn PDF document text
- http://xn--90aatbabxd8ae1kf.xn--p1ai/files/74402907414.pdfIn PDF document text
- http://landpas.pl/upload/file/78368883996.pdfIn PDF document text
- https://kristaldicarlo.com/userfiles/file/gudafisebotubugufu.pdfIn PDF document text
- https://lanhcongnghiepthinhphat.com/upload/files/zenujozonofu.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/77629061761.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/75857217548.pdfIn PDF document text
- http://letnipohar.cz/upload/file/leniwavukebikumor.pdfIn PDF document text
- http://boardmark.com/files/file/4224901787.pdfIn PDF document text
- https://karlholmbygg.se/UserFiles/files/pilunagorafumuwizoke.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/padifokixowuludoro.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/18317381619.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/wajumupigelofutomegi.pdfIn PDF document text
- http://madveras.com/ckfinder/userfiles/files/51303281241.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wimiradevot.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/3485656707.pdfIn PDF document text
- https://franchisevisions.com/broker-site/files/files/nubisazazezo.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_off0000b511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB511 | 18836 bytes |
SHA-256: 9e1fa4895bfca70c251e93deb36972d835a7057a1f104e47818ebc19147bb56f |
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font_01_sfnt_off0000e541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE541 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD58 | 10608 bytes |
SHA-256: 6ebde1c39dbc8493918586f23cdb0a756557591aec05542f5e6070727b721bbf |
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