MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, many pointing to disposable domains, and is identified as a link farm designed to obscure the ultimate malicious destination. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be part of a multi-stage attack, potentially instructing the user to open a password-protected archive.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://huntic.ru/uplcv?utm_term=how+to+unlock+your+screen+lock+on+android PDF link annotation
- http://atrsara.ir/resource/files/22317145432.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/pedejenurudowova.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/16096370783.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/99202258822.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/zodupibiwosakebolivokede.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/2082788878.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/vunamikone.pdfIn PDF document text
- http://kayapalinakliyat.com/file/wexixadepanesaw.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/76417145306.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/jetijizekuxonur.pdfIn PDF document text
- http://avvolodin.ru/upload/file/nisomulasidexuvixe.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/98606283060.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8446bee6d---xasupuvukipugimivaf.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/71151748034.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/rejuvariwokokutojep.pdfIn PDF document text
- http://thaymanhinhlaptop.com/userfiles/file/19501668942.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/samazulesasegoxiboviduw.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/niserexepexisimudidobumu.pdfIn PDF document text
- http://reklamavysocina.cz/UserFiles/File/lojerovefuzutubolab.pdfIn PDF document text
- https://phuquiland.com/upload/files/5228172341.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vnknl6phvhslie1qnok1ielo65/99805707459.pdfIn PDF document text
- http://hwayinn.com/image/files/20210913_202749.pdfIn PDF document text
- https://academiapreprod.riportico.com/userfiles/files/gusuduv.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/kiliraximutafori.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_off0000d297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD297 | 17504 bytes |
SHA-256: a6231237bceedaef8f5aa6a7173337ef473fb69d18e83b1e8cce3122dedffcb2 |
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font_01_sfnt_off0000ff25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF25 | 10748 bytes |
SHA-256: 63b2719d5320547e555f90a8618e470b75a59e77add2c99c9983f4c7b25c4675 |
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font_02_sfnt_off0001180e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1180E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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