MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, suggests a lure related to 'holt handbook first course answer key free'. The presence of multiple external URLs further supports a phishing or credential harvesting attempt.
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 https://leonvi.ru/123?utm_term=holt+handbook+first+course+answer+key+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4494891/normal_601386bc8fad7.pdfIn PDF document text
- http://fomilexavekol.22web.org/yahoo._co._uk_app.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487927/normal_6006582458c42.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413712/normal_5fd8f5eb5249b.pdfIn PDF document text
- http://homearfes.com/ripeligulurevivaja9v0th.pdfIn PDF document text
- http://tipopajokoti.iblogger.org/88767129889.pdfIn PDF document text
- http://slimitalia.space/xovirogevubaseixshj.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445866/normal_60013da386872.pdfIn PDF document text
- http://housefashion.ru/importancia_del_estudio_de_la_historia6peiy.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500883/normal_600112d566b7a.pdfIn PDF document text
- http://podjem2.club/xokuj0q3qm.pdfIn PDF document text
- http://akillidestekbasvuruformu.online/61832465198ngv73.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418762/normal_5fc85200626a6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fufabufitilaf.epizy.com/60398701602.pdfIn PDF document text
- http://bifobexa.rf.gd/a_horseman_in_the_sky_commonlit_answers.pdfIn PDF document text
- http://leligikolapib.epizy.com/wisepixinelo.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_off0000d420.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD420 | 5468 bytes |
SHA-256: 4ce7742a29662ec800c240f87e667c6ef47944141f5c4ef204af35635f148b3c |
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font_01_sfnt_off0000e6c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C8 | 10264 bytes |
SHA-256: ee880211b65e2ee8be86ae9a0ef7a03d4d38e8c05ae75206995c78163ca95ebc |
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