MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous external links, with one specifically pointing to a URL that appears to be a redirector. The heuristics indicate the document impersonates cloud document services and uses link farms, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of external links and the nature of the heuristics strongly suggest a malicious intent to redirect the user to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://coretry.ru/uplcv?utm_term=how+to+transfer+pictures+from+iphone+to+android PDF link annotation
- http://cyc.cz/pictures/clanky/files/18447223102.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/44251961185.pdfIn PDF document text
- https://drlanda.hu/user/file/23267274564.pdfIn PDF document text
- http://avandcie-automation.fr/ckfinder/userfiles/files/dozodenal.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/vomikiguramamemajela.pdfIn PDF document text
- https://happen.webasl.com/userfiles/file/30370225019.pdfIn PDF document text
- https://xylemleads.com/userfiles/file/89338653731.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/85381619979.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161365988609c6---fatuvoxudumaluxebelof.pdfIn PDF document text
- http://askort.pl/Upload/file/zakevadidikakik.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161345e99b13aa---kotiririg.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/fesolem.pdfIn PDF document text
- http://mcrlclient.gilcom.ro/ckfinder/userfiles/files/35881431124.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/vemegatafujagedazus.pdfIn PDF document text
- http://bestpokeya.com/uploads/files/lexerotub.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210910_DC4FEEC0B02CBE61.pdfIn PDF document text
- https://dom4m.com/userfiles/files/sipor.pdfIn PDF document text
- http://embody.box8websites.com/ckfinder/userfiles/files/wuloxasorevoz.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/jujitofonometuwosiz.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/zoripotoja.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/xesozabegadobazupodudom.pdfIn PDF document text
- http://bpsstudio.hu/uploads/42316137820.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/jajozivotuxubutokam.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_off0000da32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA32 | 17776 bytes |
SHA-256: 7b2643c22cf15b7029ff975dfdc7707aeae1f225fb6ae009bbc059a03ad97e3a |
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font_01_sfnt_off00010812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10812 | 11016 bytes |
SHA-256: 204f78ce5287b0841917fc0ebcd80c63180075a8175f7e6cef3d454720965811 |
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font_02_sfnt_off00012185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12185 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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