MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_REMOTE_SUPPORT_LURE' indicates the document likely attempts to trick the user into installing or interacting with remote support tools. The embedded URLs suggest the document is part of a link farm designed to redirect users to malicious content, potentially leading to the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://inwebjor.ru/uplcv?utm_term=how+to+clear+cache+and+cookies+in+android PDF link annotation
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/pekiki.pdfIn PDF document text
- http://www.omt.ntou.edu.tw/ckfinder/userfiles/files/milujiwub.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150d57bc8f91---narawodivig.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/76937296786.pdfIn PDF document text
- https://astdubai.co/userfiles/files/30814515651.pdfIn PDF document text
- http://dotbamboo.com/file_media/file_image/file/vovoxolaki.pdfIn PDF document text
- http://futboltotal.net/images/files/wamopowalozuko.pdfIn PDF document text
- http://photou.cc/ckfinder/userfiles/files/tivolufimobogomutajol.pdfIn PDF document text
- https://nezrenweb.com/calisma2/files/uploads/romotofibu.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/7003648a246a314377e6f746253696f1/wabolosaj.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/mezomitis.pdfIn PDF document text
- http://greenhere.cn/upload/ckimg/files/202109021617475354.pdfIn PDF document text
- http://myucpb.net/userfiles/file/xukoferij.pdfIn PDF document text
- http://bsa-billiard.by/images_from_html_editor/file/20277895975.pdfIn PDF document text
- https://letajicikoberce.cz/userfiles/file/xusesarakojinora.pdfIn PDF document text
- http://elitsatodorova.com/uploadfiles/file/56590238950.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/vabetokupaxakivigavod.pdfIn PDF document text
- http://versobrokers.eu/userfiles/files/81126441832.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/nufasegojikusukifafav.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/20098651211.pdfIn PDF document text
- http://electrogalicia.com/electrogalicia/recursos/archivos/12001933430.pdfIn PDF document text
- http://gpszone.hu/upload/userfiles/file/tomirugu.pdfIn PDF document text
- http://sakesushilakehavasu.com/uploads/files/51979163958.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_off0000ad72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD72 | 10636 bytes |
SHA-256: 5d1b0275f5b140518a580ef43a849524b26ba7215cb7e74701b0485cb735ab0b |
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font_01_sfnt_off0000c5c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ddd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD4 | 14944 bytes |
SHA-256: bfa9ee94c961d791b8e45dba11f5fe2cd5afe9afb83d72ee844baf70d33e166d |
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