MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to PDF files hosted on potentially disposable domains, indicating a link farm. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document's purpose is to trick users into believing they need a password for an archive, a common tactic for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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://vrindaindia.com/php/joseph/uploads/file/46578775541.pdf In PDF document text
- http://mgbig.com/upload_fck/file/2021-9-13/20210913063339988896.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/labejinukorajanoxakukibod.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/valerugaxeve.pdfIn PDF document text
- https://magnanerie-cazilhac.com/userfiles/file/78484853390.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/ahio546nampj117m16gtme1457/tebikosixubuli.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/59001552739.pdfIn PDF document text
- http://sun-tes.ru/files/file/41260933531.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/gidajalezuvepojomatu.pdfIn PDF document text
- http://constantemails.com/userfiles/file/1630521281zozodilefezuleniso.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/18788348001.pdfIn PDF document text
- http://hitmet.slektenkaas.com/bilder/file/datosafimepoketexugifoge.pdfIn PDF document text
- http://giteduguedesboires.fr/userfiles/file/lirojezimukes.pdfIn PDF document text
- https://htapigroup3.com/contents/files/71065350343.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/96569726983.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/dogatukusonisafozutabef.pdfIn PDF document text
- http://ameshamagazine.com/js/upload/files/64016129129.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/wizazerodijeginisek.pdfIn PDF document text
- http://ghibms.com/userfiles/files/11935270574.pdfIn PDF document text
- https://lanegarrett.net/userfiles/file/xuvulekoborori.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613979845295a---84656599947.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/bezazowagi.pdfIn PDF document text
- http://kystar.net/filespath/files/20210912073427.pdfIn PDF document text
- http://zonazero.es/userfiles/file/mejorelikinupakinomufafo.pdfIn PDF document text
- https://cityface.cz/res/file/farug.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=sending+mms+androidPDF 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_off0000e9d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D5 | 17840 bytes |
SHA-256: 22c2a233d6935ac22727a829ec90f3867737f1c4b71a38554df5492dd01f32f7 |
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font_01_sfnt_off00011803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11803 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001301a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1301A | 10520 bytes |
SHA-256: 8df828b46ff05311114e8c55d75989577552e184167f86f36fae8674d08d3a2b |
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