MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was flagged by ML classifiers and ClamAV as malicious, with critical heuristics indicating a lure for recovery secrets or private keys. Numerous embedded URLs point to potentially malicious PDF files, suggesting a phishing or credential harvesting campaign. The document's content, though heavily obfuscated, aligns with the heuristic findings of a recovery secret lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://mp2020.csysadmin.com/ckfinder/userfiles/files/78385595164.pdf In PDF document text
- http://mientaytourist.com/uploads/files/mukegon.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/veneganufozivatavopore.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/pawez.pdfIn PDF document text
- http://duancanhotot.com/upload/files/66916930635.pdfIn PDF document text
- http://ruresept.ru/files/file/wupitosiwu.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/62176162795.pdfIn PDF document text
- https://tavio.ru/files/file/ruvajo.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/manokojomotepe.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/84045469219.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbf194082b---jalezuliregalipigupunut.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/sogukupazumutefuni.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/dutozumun.pdfIn PDF document text
- https://cosmeticdermatologymiamibeach.com/uploads/data/files/75471676984.pdfIn PDF document text
- http://oodow.cn/upload/file/210903104941763688lnj8mr8plcku.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/34791027585.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/09/05/file/20210905_185857_111.pdfIn PDF document text
- https://lazerom.pro/media/file/zijefemesororo.pdfIn PDF document text
- https://komunalno.vrgorac.hr/files/janilavukanofazixukun.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613333bbcf52c---70654741348.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/batazifajimaxuxopezemof.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/86349673878.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/4941284827.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=private+keyboard+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_off0000c8f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8F2 | 17336 bytes |
SHA-256: 1339c83837c30816c3d925c5914149422c34fefd5b07313d081c9c0a9f71ef40 |
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font_01_sfnt_off0000f621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF621 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E38 | 10440 bytes |
SHA-256: 701a3b05235ec3c42a171e1344aa8d404f2d89c965342ce71edf4a55806aa302 |
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