MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. It contains an embedded URL that is likely used for phishing or to download a secondary payload. The document body, though heavily obfuscated, suggests a lure related to an 'answer key'. No scripts were extracted, but the presence of embedded URLs and the ML/ClamAV detections strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 https://kuzutuzo.ru/wix?keyword=realidades+3+prueba+answer+key
- http://zinefikitozozeg.sportsontheweb.net/kibotareribabokowek.pdf
- http://loxiturizule.sportsontheweb.net/urine_microscopic_examination.pdf
- http://difodalutovirub.iblogger.org/denefefoka.pdf
- http://bewizasosu.sportsontheweb.net/favuwiwatukorotebupotaleb.pdf
- https://cdn-cms.f-static.net/uploads/4375357/normal_6011b7b63ab82.pdf
- https://cdn-cms.f-static.net/uploads/4484999/normal_600e880859204.pdf
- https://negozikazaseju.weebly.com/uploads/1/3/4/5/134587396/wizanav_jijinawir_fumemuj.pdf
- https://static.s123-cdn-static.com/uploads/4419206/normal_5fef416f64a82.pdf
- https://cdn-cms.f-static.net/uploads/4484122/normal_601a670bbbf68.pdf
- https://vofesoxofibebup.weebly.com/uploads/1/3/4/9/134900141/3e6b0f28f3a7375.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://lufubapiworozil.epizy.com/63955104699.pdf
- http://jabepekepino.epizy.com/food_flyer_template_microsoft_word.pdf
- http://fizanotafogibag.rf.gd/adobe_minimum_system_requirements.pdf
- https://s3.amazonaws.com/patotale/messenger_app_android_studio_github.pdf
- https://s3.amazonaws.com/pobixedele/50002964376.pdf
- https://s3.amazonaws.com/vifusupegiza/gezuwujolawiliw.pdf
- https://s3.amazonaws.com/tirimofufemukat/16417816696.pdf
- http://wadekazu.epizy.com/c_form_application_on_mahagst.pdf
- https://s3.amazonaws.com/dobesogum/battlefield_4_free_android.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000108ef.bin562b2851853ead00d0fedf89fe80288aedf85a742ffea6e21360b01b350a57b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EF | 5216 bytes |
font_01_sfnt_off00011abb.binbc36b648c2ea20ff6d0ecb2d93a30f59be5afd0192877574af4f1849bfe42b77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABB | 15848 bytes |
font_02_sfnt_off00014d8e.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D8E | 4324 bytes |
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