MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains heuristics indicating it's a malicious phishing document designed to trick users into disabling security software. It also includes a link farm and an embedded URL pointing to a suspicious domain, likely for delivering a second-stage payload. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://trafffi.ru/strik?utm_term=league+of+legends+won%2527+t+open
- https://cdn-cms.f-static.net/uploads/4366965/normal_5f87419009597.pdf
- https://getesuvuroxabet.weebly.com/uploads/1/3/4/4/134403663/govorazabexuwunefaba.pdf
- https://cdn-cms.f-static.net/uploads/4378836/normal_5fafdf7cea98c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/4b7f3db7-201d-4b06-9efe-68cb8396adcc/33515568118.pdf
- https://s3.amazonaws.com/dinigugaxej/46298209500.pdf
- https://s3.amazonaws.com/mazugezijap/nupotuniz.pdf
- https://s3.amazonaws.com/sigobija/15877439052.pdf
- https://s3.amazonaws.com/vixuwogetiv/chemistry_a_molecular_approach_4th_edition_solutions_manual.pdf
- https://s3.amazonaws.com/fotojipifuzitul/angry_mood_off_whatsapp_status.pdf
- https://s3.amazonaws.com/lepefi/theological_books.pdf
- https://s3.amazonaws.com/kexamoxusinixu/41698802031.pdf
- https://s3.amazonaws.com/jowutoneranemuk/jiwasa.pdf
- 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_off0000dc61.binb221eb7993b89cc23e9be5409d3712a2961b0db08f3f3949653dc438cf7d4b73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC61 | 5180 bytes |
font_01_sfnt_off0000ee3d.bin34b5d819f38e316e0cb67333f28583e8687d46bb1bedb13af386f25247e067f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3D | 10716 bytes |
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