MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample is a PDF document flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing or trojan variant. The 'SE_REMOTE_SUPPORT_LURE' heuristic indicates the document's content likely instructs the user to engage with remote support tools, a common tactic for social engineering attacks. Numerous external URLs were extracted, suggesting a potential distribution or command-and-control infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://oniceh.ru/uplcv?utm_term=example+of+productivity+application PDF link annotation
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/16047628250.pdfIn PDF document text
- https://birotex.rs/images/files/76314126687.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/xanobanifetulanosi.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/204037947.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/xisepelup.pdfIn PDF document text
- http://studioprogettoarchitettura.eu/userfiles/files/xukegupetopogiwerepo.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/zexaloji.pdfIn PDF document text
- http://micruts.org/userfiles/file/momurudinar.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/sufefakutawefubilurivin.pdfIn PDF document text
- http://sgo-bage.com/public/files/files/30757158420.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143cf36e7044---92915101529.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/98103212544.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/53818076194.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/xesiwokipobiremujuro.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/zunur.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/19010243323.pdfIn PDF document text
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/57266527639.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/wituvaxeranizo.pdfIn PDF document text
- https://jjpremiers.com/files/gulibatikizu.pdfIn PDF document text
- https://holcom-solar.com/webroot/img/files/nudata.pdfIn PDF document text
- https://speak82.com/_UploadFile/Images/file/22381651364.pdfIn PDF document text
- http://www.siposferenc.hu/html/9872996228.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/37109798659.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210912151601.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_off0000dfbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7CD | 17748 bytes |
SHA-256: d5dd3cd58f06b21e34ad90f3e67cf2533204581e7ae20ca7f86178a083902f37 |
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font_02_sfnt_off0001255c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1255C | 10980 bytes |
SHA-256: 33316ae39a60304ebe60b210f894a4a6f5ebeeee53b153ad027ad79a6066d96b |
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