MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to other PDF files, suggesting a link farm or redirection mechanism. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document's intent is to trick users into believing they need a password to access an archive, a common tactic for hiding malicious payloads. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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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://xingzhongjing.com/userfiles/file/20210910104520_1352374612.pdf In PDF document text
- http://sin-hua.org/userfiles/73607406348.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/sobosumosifa.pdfIn PDF document text
- http://globalroomplus.com/bot/ckfinder/uf/files/20292600323.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021091207353667.pdfIn PDF document text
- http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/98146228828.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/74466347314.pdfIn PDF document text
- http://travelcenterpuntos.com/campannas/file/zalodaramivexusat.pdfIn PDF document text
- http://youil.org/userData/board/file/nobewinedukafala.pdfIn PDF document text
- https://agape4u.org/userfiles/file/zumozagikazokijebi.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304d3070781---nefinoxonutelimeka.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/39692790778.pdfIn PDF document text
- http://mrybalko.ru/files/tapifotowudixafof.pdfIn PDF document text
- http://hongdacable.com/d/files/83815950401.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/vavedaragizoxufin.pdfIn PDF document text
- http://carbontuning.ru/file/tubitidabi.pdfIn PDF document text
- http://ordineveterinarivenezia.eu/userfiles/files/zadazizegiwilito.pdfIn PDF document text
- http://azinsaghf.com/cache/fck_files/file/dufelizuvenovelofit.pdfIn PDF document text
- http://espwireless.net/uploads/file/wewepunoram.pdfIn PDF document text
- http://tchid.net/userfiles/file/18986045532.pdfIn PDF document text
- https://lesura.net/userfiles/file/5821626688.pdfIn PDF document text
- http://www.kymkarajok.net/tiedostot/files/minebuxopajajibosofezu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369f60cb629---sasorurutuwew.pdfIn PDF document text
- https://maintogelonline2.bet/contents/files/48637984223.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=unlock+phone+without+factory+resetPDF 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_off0000dccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCF | 18412 bytes |
SHA-256: 55ae29bfb905d5aceb95dc3f37c9650c00f1c6d78b396ff23b9f1258fea215e5 |
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font_01_sfnt_off00010bcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E3 | 10976 bytes |
SHA-256: 037af4f69ec642c484b2062b52516179841a2af228b448769429b0f11dfdd3bc |
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