MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_REMOTE_SUPPORT_LURE' indicates the document's content likely instructs the user to install remote support tools, a common tactic for gaining unauthorized access or facilitating further compromise. The presence of numerous external URIs, many pointing to PDF files, suggests a downloader or redirector pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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://laborke.ru/uplcv?utm_term=remote+control+pc+from+phone PDF link annotation
- https://diamond-marketing.cz/soubory/rimeropusawowobisiga.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/nadetolofekudasi.pdfIn PDF document text
- http://oawebserver.com/piceditor/file/44490140813.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210901_171054.pdfIn PDF document text
- http://studiobaldizzone.com/userfiles/files/tepukati.pdfIn PDF document text
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/66521808866.pdfIn PDF document text
- https://needletherapy.eu/upload/file/84780051552.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/desiwowuredoremutifanuras.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18095908399.pdfIn PDF document text
- https://www.terraton.com.my/ckfinder/userfiles/files/fusof.pdfIn PDF document text
- http://edeins.com/userfiles/file/20584402923.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021090122535173499.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/romutalot.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/newajapixopo.pdfIn PDF document text
- http://pololanna.com/user_img/files/zuxiwawedimevusosiwofofe.pdfIn PDF document text
- https://landtop.com/filespath/files/20210903121211.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/mudiloxokupajejepajuvubi.pdfIn PDF document text
- http://leeandrewdavison.com/download/73204831309.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/didaxeja.pdfIn PDF document text
- http://m3hotels.com/userfiles/file/bedigeluzorisi.pdfIn PDF document text
- https://justforjetscatering.com/userfiles/image/files/21188468338.pdfIn PDF document text
- http://pataibicaj.hu/userfiles/file/20737992653.pdfIn PDF document text
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/37261668915.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/revogitimozoro.pdfIn PDF document text
- http://synhbio.com/upload/files/rewiruzemarujusukoluj.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_off0000e73d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF4F | 17304 bytes |
SHA-256: 953e45306a2a5d9b1c84dae3d528c5ab78f86dbc9f6a56f89926436b76a6bfe8 |
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font_02_sfnt_off00012c65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C65 | 10368 bytes |
SHA-256: 955ccadf79b5e4034f747f18ea682c78fc1301b0a3accb8ebd34b5cd6b6c9a89 |
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