MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics identified it as a link farm on disposable hosting, with numerous external URIs pointing to various domains, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains references to wkhtmltopdf, indicating it was likely generated programmatically to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://infrive.ru/uplcv?utm_term=777+kyat+app+download+apk PDF link annotation
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/roxibime.pdfIn PDF document text
- https://cmf8.ir/data/file/dosowarazadukabifivovu.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/mumititivumiletoxugagem.pdfIn PDF document text
- https://ville-saintleonard.fr/pdf/97731818492.pdfIn PDF document text
- http://cheumst.com/upload/fckeditor/file/14703097632.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/3090048559.pdfIn PDF document text
- https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/57282781116.pdfIn PDF document text
- https://assignmentmart.com/ckfinder/userfiles/files/satudafigawewuxa.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/84772968395.pdfIn PDF document text
- https://rafautama.com/uploads/file/32617490643.pdfIn PDF document text
- http://4tyres.nl/public/files/44160916589.pdfIn PDF document text
- http://smogy.ru/files/files/8988349201.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b331543509---wobenama.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/zojutaj.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/17938106037.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/bigizutakesobabamidazif.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021092302071473499.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/vemoliradebusimakef.pdfIn PDF document text
- http://dungculamdep.com/fckeditor_userfiles/file/nukulaxadevumiwuput.pdfIn PDF document text
- http://darstin.com/userfiles/files/jutotixibusozupilog.pdfIn PDF document text
- http://meruzhankhachatryan.com/app/webroot/files/file/50432863784.pdfIn PDF document text
- https://ms02bet.com/contents/files/zapezokirusitakagowosubi.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/9s53ilq8jtqddqvbqo9j7javr7/17008886347.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_off0000c780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC780 | 16876 bytes |
SHA-256: 1a6e5285c6598a5fa3d05e19f29fa614244a5904febb67b0043abf3e90faded8 |
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font_01_sfnt_off0000f350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF350 | 10136 bytes |
SHA-256: f46383a0ecf735157b85b56cb248c5d73a61486d2525dceb294b8e7f9ce22f43 |
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font_02_sfnt_off00010a2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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