MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content is designed to trick users into installing malicious browser components. While no scripts were directly extracted, the PDF structure and embedded URLs suggest a phishing or malware delivery attempt, likely involving a social engineering pretext to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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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://yocarbroker.com/upload/ckfinder/files/lijagezabosavedut.pdf In PDF document text
- http://huynhgiabaohotel.com/uploads/FCK/file/zegavobubijagezemuwi.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/26179635948.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/jadiweza.pdfIn PDF document text
- https://drjou-vc.com/upload/files/53111945730.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/1628771096.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/tudajewafamitobaka.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/moxisetexelajid.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/bazikanarinupazusevubobe.pdfIn PDF document text
- https://datatalk.ilvzhou.com/upload/files/2021/09/202109051134326993.pdfIn PDF document text
- https://gplacestracker.com/userfiles/file/javedevogijarudilozoka.pdfIn PDF document text
- http://kuresi-kaitori.com/upload/content_pic/files/36246265574.pdfIn PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/5030697558.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/zuliwetoze.pdfIn PDF document text
- https://forexinc.ca/upload/editor/file/lunimifibexikozifibosumi.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/lixug.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/210910023711863965pgix0.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/0d6848ad7c3ae773b28811dd0275da90/57167818161.pdfIn PDF document text
- http://ellev.fr/upload/files/rebikomufaderif.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614174b1607a8---ximojubedumumilevalekil.pdfIn PDF document text
- http://balmybnb.com/t/tutorfirm/uploads/ck/files/fonotuvipazisijupik.pdfIn PDF document text
- http://vnndt.com/Images_upload/files/11106900036.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+block+webpages+in+chromePDF 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_off0000d919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD919 | 18056 bytes |
SHA-256: e948d36b9c6935959a2482c268c25e0cd7ea9244ff0a17e0b623a480e3d9e1b9 |
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font_01_sfnt_off000107c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDD | 11132 bytes |
SHA-256: 80cc92fce0305b317ddb288b4e0809621f116bc0ba9b4a5e9afbf7ef579a58f6 |
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