MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicate a high probability of maliciousness. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document is designed to trick users into downloading a password-protected archive, likely to evade security scans. Embedded JavaScript streams were also detected, which could be used to facilitate the download or execution of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pistant.ru/uplcv?utm_term=how+install+ios+on+android PDF link annotation
- http://stroytehcentr.ru/images/file/27656036959.pdfIn PDF document text
- http://iscyber.com/userfiles/files/botadoko.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/wuvetuvogelimumobeviripeb.pdfIn PDF document text
- https://kakakmanis.com/contents/files/16460760417.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16134b7f8e5f0e---jesupowemib.pdfIn PDF document text
- http://brandiassociati.it/userfiles/file/83479018992.pdfIn PDF document text
- https://markapin.com/calisma2/files/uploads/37034350623.pdfIn PDF document text
- http://hocomesun.com/upload/batejitawipudiden.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/64638156562.pdfIn PDF document text
- http://horvathortho.hu/tmp/91082802945.pdfIn PDF document text
- https://fundoohairstyles.com/hairstyler/images/file/mezokuwujudu.pdfIn PDF document text
- http://abwingsva.com/uploads/files/xorerevonituxesali.pdfIn PDF document text
- http://oilmachineydy.com/d/files/7550628677.pdfIn PDF document text
- http://keramann.ru/uploads/files/70894686764.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/49d2ce56b5c5056063546ea589eb3330/5171030086.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/33248737166.pdfIn PDF document text
- https://masukpt1.com/contents/files/67839533351.pdfIn PDF document text
- http://sergeybazarov.ru/file/89787837400.pdfIn PDF document text
- https://memorybg.net/app/templates/js/ckfinder/userfiles/files/28935691052.pdfIn PDF document text
- https://spvi.cn/filespath/files/20210902060809.pdfIn PDF document text
- http://mosjob.ru/images/file/majegujag.pdfIn PDF document text
- https://ski-valloire.com/ckfinder/userfiles/files/67306267842.pdfIn PDF document text
- https://rhuyscampingcar.fr/images/files/zuwegogobivetewavosuloj.pdfIn PDF document text
- http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gitoxif.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/jegosak.pdfIn PDF document text
- https://ooobelkom.ru/ckfinder/userfiles/files/pidazuz.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10763 | 19024 bytes |
SHA-256: ebce227c3d08b5566b59cdcdebe1a32caee501c116c9882d3a2995480ddcbcc3 |
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font_01_sfnt_off000139d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000151e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151E7 | 10184 bytes |
SHA-256: bff10796142e72fdc845a6e1fe8551791df0e9724171f6793ce4964f8954505d |
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