MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as a phishing trojan. It contains numerous external URLs, many of which are part of a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The PDF structure and embedded URLs suggest it is designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://smidgel.ru/uplcv?utm_term=android+bug+bounty+reports PDF link annotation
- http://euroteam.vn/ckfinder/userfiles/files/xugupinazabiritog.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/pasuraboso.pdfIn PDF document text
- https://viktorina.ledoritulys.lt/files/tutavo.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/xadaforegaguvuvorofawome.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/siwakidisarizenaga.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/zedozevilogatanobidoji.pdfIn PDF document text
- http://worshipedia.mobi/sites/default/files/file/83591873103.pdfIn PDF document text
- http://khachsandomino.com/hinhanh_fckeditor/file/40039435356.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/4f9d4800cd43e113bffbc3e4d4e8c414/1495650127.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/demejusojogazamoloxin.pdfIn PDF document text
- http://geose.ru/userfiles/file/88657700638.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378e388a2f8---59117674639.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/52217025952.pdfIn PDF document text
- https://kolkatanagariksammelan.org/ckfinder/userfiles/files/xesege.pdfIn PDF document text
- https://manhremhoangvan.com/wp-content/uploads/files/81067952098.pdfIn PDF document text
- https://aspirecambodia-edu.org/userfiles/file/wifovefuxifot.pdfIn PDF document text
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/56454849817.pdfIn PDF document text
- https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/nafufugasizadisa.pdfIn PDF document text
- http://bunny888.com/ckfinder/userfiles/files/52968160777.pdfIn PDF document text
- http://gojjang.com/uploads/files/fijiwonaterafi.pdfIn PDF document text
- http://giaydantuongphongngudep.com/images/news/file/tiwigofevaxununig.pdfIn PDF document text
- https://inmaabiladi.com/userfiles/files/46668802799.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/bokobanati.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_off0000ffb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB9 | 18812 bytes |
SHA-256: 8afc787d627ac45dd466b4efc7073aef25ac8fc45d7c95563afecf42fcd068ee |
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font_01_sfnt_off00013090.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13090 | 10696 bytes |
SHA-256: 0938a5de21856c2ce7a299b6f3c23ea234a63ebe6215ddeaaf7a6fcb65c10535 |
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font_02_sfnt_off000148d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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