MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document is flagged as malicious by ML classifiers and ClamAV, indicating a phishing and potential trojan threat. The document employs a social engineering lure, instructing the user to install a browser extension or update to view content, which is a common method for distributing malware or stealing credentials. While no scripts were directly extracted, the presence of external URIs and the overall detection suggest it likely leads to a malicious payload download or exploit execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://crysiq.ru/pbw?utm_term=how+to+restore+chrome+browsing+history PDF link annotation
- https://static.s123-cdn-static.com/uploads/4485153/normal_5fceafa93e69e.pdfIn PDF document text
- https://talebizipuvi.weebly.com/uploads/1/3/1/4/131483067/3dc8768d8251a.pdfIn PDF document text
- https://poturipi.weebly.com/uploads/1/3/4/4/134459049/dijalivovabewunu.pdfIn PDF document text
- https://limosajabug.weebly.com/uploads/1/3/0/9/130969130/1731169.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494877/normal_603a0bf3d2627.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485711/normal_6024615973ec0.pdfIn PDF document text
- https://peniluvemafoni.weebly.com/uploads/1/3/4/7/134705148/f0ad203.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481847/normal_605a2a3169a8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447658/normal_6046a1aed0817.pdfIn PDF document text
- https://wovovude.weebly.com/uploads/1/3/1/3/131397940/pipugejodi-mexab.pdfIn PDF document text
- https://kadezejuvi.weebly.com/uploads/1/3/4/6/134603763/e5aba9b.pdfIn PDF document text
- https://fuveweji.weebly.com/uploads/1/3/3/9/133997503/1941462.pdfIn PDF document text
- https://fepuguraxetud.weebly.com/uploads/1/3/7/5/137512182/jedevafeze.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://minuwaxiper.pbworks.com/w/file/fetch/144497985/3444010602.pdfIn PDF document text
- http://tavaretaz.pbworks.com/f/how_many_businesses_closed_due_to_covid-19_uk.pdfIn PDF document text
- http://zafasuvolo.pbworks.com/w/file/fetch/145060770/witr_ki_namaz_padhne_ka_tarika.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4aef390f-cb17-412b-a0de-7de0d86ce5a4/mode_one_bravo.pdfIn PDF document text
- http://zotugon.pbworks.com/w/file/fetch/144830214/22893534243.pdfIn PDF document text
- http://zapibibilubo.pbworks.com/f/smapi_uninstall_mac.pdfIn PDF document text
- http://sirazumebow.pbworks.com/w/file/fetch/145134639/corporate_finance_twelfth_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/650737cb-1947-4db9-9392-5ba10dfc4b2b/how_long_does_osha_30_training_last.pdfIn PDF document text
- http://xutipofapu.pbworks.com/f/bak_mei_kung_fu_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43e9fc05-a0b4-48e6-b9d5-9484173fca5c/trig_ratios_practice_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5535b759-9deb-43f8-872a-7d4a80ab3d9d/54573570271.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_off0000e52d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52D | 5264 bytes |
SHA-256: fe7740122c740e3dd8a60c4cabc81f8dc2fcbd335eb81e2de9c7a734c83e5200 |
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font_01_sfnt_off0000f707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF707 | 10280 bytes |
SHA-256: 7bd0c142ce598ffdc9230b8455974cb5f55d5f2450b457d4c95664fc45db9743 |
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