MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document that employs a social engineering lure, instructing the user to install a browser extension or update. This is a common tactic to trick users into downloading and executing malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent, and the numerous embedded URLs suggest a link farm designed to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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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://allytemp.ru/uplcv?utm_term=how+to+download+reels+with+sound PDF link annotation
- http://gruppocreta.com/userfiles/files/78884875099.pdfIn PDF document text
- https://penzion-palice.cz/content/19626157652.pdfIn PDF document text
- http://greenhere.cn/upload/ckimg/files/202109032003013203.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/88522800875.pdfIn PDF document text
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/53476924868.pdfIn PDF document text
- http://kammed.com/userfiles/file/50516745151.pdfIn PDF document text
- http://bkdesign.ee/userfiles/file/55824721580.pdfIn PDF document text
- http://gotween.com/userfiles/file///38595756919.pdfIn PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/88332453106.pdfIn PDF document text
- https://consultemergingmarkets.cubsindia.com/files/tisegukimilavesefinamuj.pdfIn PDF document text
- http://streathamtaxi.com/survey/userfiles/files/bimosinirisokajo.pdfIn PDF document text
- https://mimpishio1bet.net/contents/files/dijegaki.pdfIn PDF document text
- http://cnmrobotics.com/files/files/fufejonisadajo.pdfIn PDF document text
- https://shevian.com/images/file/76255045075.pdfIn PDF document text
- http://siamintertrade.com/file_media/file_image/file/sonozefamezemirif.pdfIn PDF document text
- http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/23929418199.pdfIn PDF document text
- http://hdg-gmuend.de/userfiles/files/56125851286.pdfIn PDF document text
- https://fresh-cherries.com/ckfinder/userfiles/files/34321972914.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613777912ddec---febilos.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/80549207494.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/xujujegogeveromiw.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/37276933661.pdfIn PDF document text
- https://insp.biz/img/file/89239874799.pdfIn PDF document text
- https://camping-du-lac-dijon.com/userfiles/fichiers/fenapa.pdfIn PDF document text
- http://monticellotownship.org/userfiles/file/gesoligaverinizuziku.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_off0000d72f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72F | 10524 bytes |
SHA-256: a49927fb5c7a5b94a2b2c6cfad791d1d327e9961d8e8eae46dc72f403f97139b |
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font_01_sfnt_off0000ef17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10729 | 17724 bytes |
SHA-256: 1f6c46d09a81c228ee6a9eb7b730ef7ab27f2690317ee617fcd411f22d1d29d4 |
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