MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains embedded URLs pointing to other PDF files hosted on potentially compromised websites, suggesting a multi-stage attack. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, which may be related to the generation or delivery of the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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 http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/e46e78dd2ca3cine04oo4ih07p/rugipuparilegojex.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/hkp7fm94lusga10h8tslg41m1h/begilipixib.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe6d2ddef---67082208571.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/cc0b9496f12eee9993cebfbe35e93224/72045232136.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/3ba0a46a3ae8beea234ccd1f279aa7aa/83720055746.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1609c336d1275a---medezesikerusam.pdf
- http://xiaohecollege.com/d/files/63036472126.pdf
- https://lescourailleurs.com/upload/editor/file/4837874737.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9a5207c8b---wirowoxowugizu.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607578e129f7e---23953727786.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085236926109---garezafulox.pdf
- http://bkdesign.ee/userfiles/file/15398510776.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/825f811ce553fa1576ad307fe9edd844/16783278174.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+get+a+key+auto+presser+2020
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2a3.bind5637d4fbf1b6c7818535626fffad57631e8d8759f4c77bb35802043c33e605e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A3 | 5448 bytes |
font_01_sfnt_off0000f55c.bin133541b46270697a388719f8b8462fdf9210ad570b768d6c67332b8ff7efab74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55C | 20140 bytes |
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