MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing embedded JavaScript, flagged by ML classifiers and ClamAV as malicious. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. The embedded JavaScript and numerous external URLs suggest an attempt to download and execute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://laborke.ru/uplcv?utm_term=zip+file+open+in+android PDF link annotation
- https://apz-arte.com/ckfinder/userfiles/files/pivemotax.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/tiroforodegowogesotipaboz.pdfIn PDF document text
- https://vibanghanoi.com/uploads/files/tevukujegabaxuna.pdfIn PDF document text
- http://studiodugnani.it/userfiles/files/63367024666.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/53799492837.pdfIn PDF document text
- http://myflora888.com/ck_files/files/rezowaroko.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/68759792581.pdfIn PDF document text
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/56488182788.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/kezivusu.pdfIn PDF document text
- http://haitrungkim.vn/uploads/userfiles/file/sipubujufezimonuxomavipo.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/vl6ct67og15obi9kvui5untngs/folamumodejobodexat.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133e04ebc30f---xeketipelabidurew.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/refixefejirutepox.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/54860017802.pdfIn PDF document text
- http://heathrowairporttaxi.website/userfiles/file/fiwojijagajexasejugez.pdfIn PDF document text
- https://biocenfis.es/uploads/assets/file/zekuzumosoxor.pdfIn PDF document text
- http://letnipohar.cz/upload/file/95872145724.pdfIn PDF document text
- http://skupka23.ru/upload/m/gomumovewawuzejezukiwo.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/17304285460.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/22346268927.pdfIn PDF document text
- http://handbook.hu/upload/page/file/gogipokifivuwoguxok.pdfIn PDF document text
- https://apra.pl/files/file/zopaduvezog.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/nufavevujuparixopovejusog.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/65476377220.pdfIn PDF document text
- http://srs-budapest.hu/uploads/files/24529522822.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_off0000ce4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE4D | 10188 bytes |
SHA-256: 8924f9dcadfa7270f63a8698133b2f05969eeace255fa00640630937fa08ac9e |
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font_01_sfnt_off0000e522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE522 | 17388 bytes |
SHA-256: b4609aaa16a2bef08adeac209769d146fd62fd90d5c95e3978e1f335efd9a4b3 |
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font_02_sfnt_off00011171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11171 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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