MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, a common tactic to evade detection. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be intended to trick users into downloading a password-protected archive, likely containing a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://the-bom.kr/upfile/files/56356778875.pdf In PDF document text
- http://tcsklife.com/filespath/files/20210911011329.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/7689845182.pdfIn PDF document text
- http://logopeda-empatia.pl/content/file/nivawaralevunibufuzet.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/pekefusowutusinizanesoza.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/q3m04nepdqnfsn93issmta9prk/5997073613.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/netaxuperelofuxofifi.pdfIn PDF document text
- http://steelfurniturecn.com/d/files/7205088234.pdfIn PDF document text
- https://afma.pt/site/upload/file/88860298983.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/67004350200.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/rufif.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/53485366107.pdfIn PDF document text
- https://leosservices.com/userfiles/file/22466315446.pdfIn PDF document text
- http://balletpanov.com/uploads/files/nekojozilunupij.pdfIn PDF document text
- http://gusanhightec.com/userData/board/file/5768786053.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/6159065113.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/zapevidukun.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/vadefo.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/jesadamiludadosupu.pdfIn PDF document text
- http://malifer.hu/upload/file/koguxokodezurirovubewe.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/87046391806.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/wadabuno.pdfIn PDF document text
- https://xn--fct8ml6mwue.tw/uploads/files/51974320888.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/rumajojediz.pdfIn PDF document text
- http://denda.co.kr/ckfinder/userfiles/files/48878329858.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613c74999a751---12617707874.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+lock+location+on+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_off0000dd19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f530.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF530 | 10232 bytes |
SHA-256: 867f19af841748d93af0de032dd46087c6a3fbb3af3afacc6150635c0fafa600 |
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font_02_sfnt_off00010c3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C3F | 16892 bytes |
SHA-256: 3bb816022e60eb25589cff2dc9dff9f517df04d89b2369c75adc37a17966b93b |
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