MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable domains and utilize UTM parameters, suggesting a phishing or link farm strategy. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://queure.ru/uplcv?utm_term=smart+pss+apk PDF link annotation
- http://a899.net/userfiles/file/8829014660.pdfIn PDF document text
- http://archive-2014.humandoc.pl/attachments/file/jimixigudo.pdfIn PDF document text
- https://bucatariizidite.ro/printuri-fi/files/44677283603.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/jugusozusokokanulijozixe.pdfIn PDF document text
- http://ekorepetycje.eu/Upload/file/34474869152.pdfIn PDF document text
- http://soc-in.com/data/media/files/xubafupifofakataredozi.pdfIn PDF document text
- http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/xomame.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/13826484639.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/debovamasabaxevo.pdfIn PDF document text
- http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1630562413/files/32396047922.pdfIn PDF document text
- http://hatdesechia.com/storage/ckfinder/files/jigitomogafire.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/8078986064.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/71225368853.pdfIn PDF document text
- https://davnosti.ru/upload/6559028628.pdfIn PDF document text
- https://truongthanhco.vn/webroot/img/files/xamewujokasorevowari.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/15243513318.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/82857550547.pdfIn PDF document text
- http://analhospital.net/file/files/madodupi.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/2936251365.pdfIn PDF document text
- http://bytip.net/filespath/files/20210904030517.pdfIn PDF document text
- http://greathorserider.com/ckfinder/userfiles/files/32325366677.pdfIn PDF document text
- https://medpressa.ru/files/file/lewazabotiwavurifigubu.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210913210256641.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_off0000b70a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB70A | 10088 bytes |
SHA-256: a87f47fc0450d0cfbf7f75986f2240a646925d041464d2647a56640587a9e715 |
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font_01_sfnt_off0000cd7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD7F | 17256 bytes |
SHA-256: de71ce6854e0695ef32596d7caa7263c74e75362804cabaeabade5b6022aaf0e |
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font_02_sfnt_off0000f9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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