MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and a machine learning classifier. The 'SE_CLICKFIX' heuristic indicates social engineering, instructing the user to press Win+R or paste a command, which is a common tactic to bypass security measures. Embedded JavaScript streams suggest the potential for further malicious actions, such as downloading and executing a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kamionosnyelvlecke.hu/userfiles/file/populasezijopipuxizet.pdf In PDF document text
- https://cordovajewelry.com/images/file/43226770707.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/64883765393.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/burerutokezopatufujuk.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/lipamuwugoj.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/mb1akdsvpg5rettlue5r1c9ai1/jogivozibukodajisudusezal.pdfIn PDF document text
- https://mvmdigital.gr/files/files/10034130153.pdfIn PDF document text
- http://wpchkg.com/upload/image/file/31775503012.pdfIn PDF document text
- https://www.afoa.org.ar/backend/ckfinder/userfiles/files/79098208894.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/bugitax.pdfIn PDF document text
- http://sotel-perm.ru/site/file/ririt.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/pideminarofafununona.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/kuwijikubetiduwejizibo.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/xalarigijovorewujimu.pdfIn PDF document text
- http://savitaco.com/uploads/images/files/xawokapazoj.pdfIn PDF document text
- http://industrialdevices.in/uploads/49813244140.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/tepot.pdfIn PDF document text
- https://cafesca.org/ckfinder/userfiles/files/buxiboriwoborofonanejasus.pdfIn PDF document text
- http://aguito.madteam.net/ckfinder/userfiles/files/tilidotifeku.pdfIn PDF document text
- https://sofupingame.com/calisma2/files/uploads/baterimotowalolawomuv.pdfIn PDF document text
- http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/39486393739.pdfIn PDF document text
- http://aotwcasino.com/ckfinder/userfiles/files/nitede.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/90627773857.pdfIn PDF document text
- http://ropesadventure.com/d/files/taran.pdfIn PDF document text
- https://juvelyrikoscentras.lt/Files/file/75886521000.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/5950405487.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=ubuntu+install+windows+10+dual+bootPDF 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_off0000de1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE1A | 10516 bytes |
SHA-256: 95addce04a78e015c1990f558ab09555121ef3d783718066c69e681b357596b9 |
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font_01_sfnt_off0000f634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF634 | 17964 bytes |
SHA-256: f2baf3d6c172a1f928169842872ed76fe71bb42b31021595652cd28cb8200d53 |
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font_02_sfnt_off00012401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12401 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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