MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains an embedded URI pointing to 'https://jacksth.ru/award?keyword=enfermedad+por+deficiencia+de+vitamina+k+pdf', which is highly suspicious. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of the malicious URL and the trojan detection strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://jacksth.ru/award?keyword=enfermedad+por+deficiencia+de+vitamina+k+pdf
- https://static.s123-cdn-static.com/uploads/4421042/normal_5fff77258c673.pdf
- http://fakixigulidol.mywebcommunity.org/80355900718.pdf
- http://bibuzikufaje.mygamesonline.org/citizen_eco_drive_calibre_8700_setting_instructions.pdf
- http://wativeb.mypressonline.com/agudas_llanas_y_esdrjulas_ejemplos.pdf
- http://heartcenteredequestrian.com/can_could_be_allowed_to_exercisesm1x1u.pdf
- https://static.s123-cdn-static.com/uploads/4379601/normal_5ff47550085cc.pdf
- http://xeboxemovev.66ghz.com/lejedi.pdf
- http://hytri.com/2967454921858g38.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/gorajikunobixi/xopexon.pdf
- https://s3.amazonaws.com/wobuzisibal/wisodogi.pdf
- http://zexubadisaki.rf.gd/zutowazesax.pdf
- http://pakafadudu.epizy.com/avast_antivirus_free_latest_version_filehippo.pdf
- https://011f98f8-b45f-4578-a2fd-466b530f7845.filesusr.com/ugd/74e905_e0f5bb690aac48e3a4a6fb8b2b520942.pdf?index=true
- https://f2f8a3c9-3ea7-4a25-b7e2-3e2749f32899.filesusr.com/ugd/f0e51d_e09f1a280a344f6e8503ce1a2db38413.pdf?index=true
- http://mosazozude.epizy.com/sample_closing_costs_sheet.pdf
- https://s3.amazonaws.com/fuwuzerijofa/xajijakakujon.pdf
- https://s3.amazonaws.com/bopuxosavubare/42279678711.pdf
- https://42190e62-4dca-482d-a077-ae7b222d7779.filesusr.com/ugd/b91392_0416240e08e743a8afc08dfa48876992.pdf?index=true
- 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_off0000fb6c.bin7450bba87536325ef64d667cc5f1c65fede9aa72aed4b6ae2458a64654b27156 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6C | 5172 bytes |
font_01_sfnt_off00010cfb.bin4ab5390f0004f71790fc89af13d0cf8467032e382a1446170adfd2582bdac676 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFB | 12364 bytes |
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