MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake-CAPTCHA lure. The file presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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/aws?utm_term=descargar+whatsapp+plus+para+android+5.+1 PDF link annotation
- https://xekixudag.weebly.com/uploads/1/3/4/3/134336078/5c459a67e90b89.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367296/normal_5f873e186a168.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417528/normal_5f9ce859a48fc.pdfIn PDF document text
- https://kukefilatisila.weebly.com/uploads/1/3/4/4/134498126/3356998.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388841/normal_5f93c0c24be4f.pdfIn PDF document text
- https://jepirozo.weebly.com/uploads/1/3/4/4/134474462/6033321.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/aa468e99-5ac3-45d8-9e68-85b0578fb53c/82004274366.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files2/watch4free_hindi_movies_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/867a5b2b-df7e-453c-aef2-84df0be77333/wizkid_dont_tell_em_mp3.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBEA | 5632 bytes |
SHA-256: 195e89d78827ec32e276cd831d3a961f8827b00ca77ca40f02886122ca24a348 |
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font_01_sfnt_off0000df34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF34 | 10168 bytes |
SHA-256: c5e1051c78e23160eebc432f55ef95a3446dcfc5df2d500b8afb58b0968e7467 |
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