MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The file is a PDF that impersonates a cloud document lure, instructing the user to install a browser update or extension. This is a common social engineering tactic to facilitate malware installation or credential theft. The ML classifier and ClamAV detection strongly indicate malicious intent, and numerous external URLs suggest a link farm or distribution network.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://garglob.ru/uplcv?utm_term=transferring+content+from+android+to+iphone PDF link annotation
- https://digbijoynath.in/uploads/userfiles/files/96686148009.pdfIn PDF document text
- https://cupanghitam.com/contents/files/wazinufimovegulanivipe.pdfIn PDF document text
- http://globomax.eu/userfiles/file/rinine.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fe8757c17---vorotujatereb.pdfIn PDF document text
- http://winso.tw/userfiles/file/kelogepazuwekikonuzow.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/96826789676.pdfIn PDF document text
- http://www.sun-green.eu/ckfinder/userfiles/files/rakimekejutasi.pdfIn PDF document text
- https://glbtrader.com/userfiles/file/22612404578.pdfIn PDF document text
- https://talenthunt.biz/userfiles/file/mimifenujavet.pdfIn PDF document text
- http://weilandvloeren.nl/fckimages/roneweli.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161368c8144a19---zadizesuwapusisupe.pdfIn PDF document text
- https://www.truck-transport.com/ckfinder/userfiles/files/vutefifetufar.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/wopitovemujagomadabutemub.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/revebopekitafodarud.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/15864001445.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/bomapumosonete.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/68768258391.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/kefefopabokusulixujimepi.pdfIn PDF document text
- http://tyextractor.com/d/files/sasogusifavetafu.pdfIn PDF document text
- https://maritime-models.com/userfiles/file/35302272300.pdfIn PDF document text
- https://vico-immobilien.com/ckfinder/userfiles/files/90145937310.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/92396428368.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_off0000d636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD636 | 19108 bytes |
SHA-256: 9e73f8aed17a036401aa933e2de63648cc7a766699c27be3330cf1b97960b959 |
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font_01_sfnt_off000107b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCE | 10984 bytes |
SHA-256: 83206178e30ac665b411ca950be968da33de9d9c69edb5bf917957816bcfcb24 |
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