MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to disposable hosting sites, a common tactic for phishing and malware distribution. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a method used to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
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 https://chcial.ru/uplcv?utm_term=sniper+3d+assassin+shoot+to+kill+hack PDF link annotation
- http://huspanda.com/data/ckfinder/files/98799804822.pdfIn PDF document text
- http://otestmanager.org/club/data/userfiles/file/20210908155254.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/37112159346.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fda54a3f36---68381438660.pdfIn PDF document text
- http://alpinedelhi.com/userfiles/files/60334779033.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/gomifedotenevixo.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/nirulofemob.pdfIn PDF document text
- https://tnmkor.com/FileData/ckfinder/files/20210917_E1C0D60A7B1A70A0.pdfIn PDF document text
- https://myreply.mobi/snappshott/editor//file/64147059054.pdfIn PDF document text
- http://massintech.ru/img/outer/files/luxoxowofifotukal.pdfIn PDF document text
- https://gruntbudowa.pl/files/file/37767215595.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/81090449775.pdfIn PDF document text
- http://showdoimovel.com/files/files/vosaxuvazupuxigemenod.pdfIn PDF document text
- http://japhina.com/upload/file/99281645821.pdfIn PDF document text
- http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/rowug.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/53196918415.pdfIn PDF document text
- http://centronegozi.com/public/zulitotebelazavunuzud.pdfIn PDF document text
- http://teraval.cz/res/file/72007646661.pdfIn PDF document text
- https://longislandinvestmentadvisors.com/nini/userfiles/file/8689713367.pdfIn PDF document text
- https://vibingvibes.com/userfiles/files/27779541046.pdfIn PDF document text
- http://kasaitogo.com/uploads/files/28101714739.pdfIn PDF document text
- https://lesrimaudieres.com/images/uploads/file/50024242087.pdfIn PDF document text
- http://first-group.kr/ckupload/files/61758536040.pdfIn PDF document text
- https://alhasooncorp.com/Files/files/78187543861.pdfIn PDF document text
- https://waxparadise.pl/userfiles/file/74655343603.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_off0000ecc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC8 | 18720 bytes |
SHA-256: b7dee04163a3bfd4f14ebf2ded9467426fe6e0b5aa57fcc8ac832fa9890bdd76 |
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font_01_sfnt_off00011dd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000135ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135EF | 10952 bytes |
SHA-256: 9b602a1e9479a0d1bca56acba6b59dd6a2e0df3f9a520a1aeecd5e47d6c31217 |
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