MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is flagged as a link farm on disposable hosting, indicating a malicious intent to redirect users. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document is designed to trick users into downloading a password-protected archive, a common tactic for evading security gateways and delivering malware. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://sgyscom.com/upload_fck/file/2021-9-11/20210911174651683253.pdf In PDF document text
- https://nikosdimos.gr/userfiles/file/41197954152.pdfIn PDF document text
- http://joy05.com/_UploadFile/Images/file/vinesugeviruvibitubuzuge.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/kusuminaror.pdfIn PDF document text
- http://sun-dr.com/uploads/files/202109172158105024.pdfIn PDF document text
- https://pesonabali.dswip.com/ci/userfiles/files/kidik.pdfIn PDF document text
- https://buka.ru/sadm_files/xesolisobu.pdfIn PDF document text
- https://mtestbd.com/assets/uploads/files/pudekosevine.pdfIn PDF document text
- https://adikketiga.com/contents/files/46542528147.pdfIn PDF document text
- https://intersat.lv/files/file/susigugixelofedagijefak.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135317b7ee3e---vexidomun.pdfIn PDF document text
- http://blow-w124.com/js/upload/files/8075869756.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/wasivefil.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210903131002.pdfIn PDF document text
- http://smepil.com/ckeditor/userfiles/files/65730445114.pdfIn PDF document text
- https://0900107678.com/upload/file/80445894497.pdfIn PDF document text
- http://ruihuitax.com/files/file/83959612362.pdfIn PDF document text
- https://calson.garment-pro.com/ckfinder/userfiles/files/kigafaxasu.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161430d635447c---28005432326.pdfIn PDF document text
- http://remont-m.com/userfiles/file/rogobevide.pdfIn PDF document text
- http://daechienglishpark.com/ckfinder/userfiles/files/ligodulit.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/duwenufofor.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/71398865813.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/lufokexogipexeluxi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=gta+san+andreas+game+codePDF link annotation
- 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_off0000de53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f66a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66A | 10616 bytes |
SHA-256: 7cdc47f9a42cc8fa5f58153d29aaaa898720687fbb1cbf51b5c4d9892e4fc597 |
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font_02_sfnt_off00010e7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E7E | 17768 bytes |
SHA-256: 0aca44f3b0cca78f70b55e02fc9564c27d934ff64ab714c301238ff2ddc60cdc |
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