MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a large number of embedded links, many pointing to potentially malicious domains, suggesting a phishing or redirection scheme. The presence of UTM parameters in some URLs and the 'link farm' heuristic further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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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://ostrichpharmaceuticals.com/userfiles/file/vakuz.pdf In PDF document text
- http://campbellelectronics.com/uploads/49290716889.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/p2smse3qn5hikdik6806vvqia1/76511508434.pdfIn PDF document text
- http://tranhdaquydep.vn/upload/files/91913609714.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/43290852898.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/nugabuguviwikarivul.pdfIn PDF document text
- http://www.afurg.com.br/assets/ckfinder/userfiles/files/95623161580.pdfIn PDF document text
- https://pearproperties.in/userfiles/file/popuzevolaxofepamafoku.pdfIn PDF document text
- https://hotelindigha.com/FCKeditor/file/19794236213.pdfIn PDF document text
- http://hongphuc.vn/userfiles/file/nisevidajizodaxizezevim.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137e3ec22b89---lamawozonarawuvoxuxereb.pdfIn PDF document text
- http://domuran.pl/files/file/73878400213.pdfIn PDF document text
- http://dpholding.ru/uploads/files/75361187680.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/jidaxixibiroz.pdfIn PDF document text
- http://surausa.com/uploads/files/tuzuvugilega.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/99203783376.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/lebofedojivuzalimager.pdfIn PDF document text
- https://thaiahpa.com/flash/files/82087801995.pdfIn PDF document text
- https://aldurra.ly/images-editeur/img/file/wujetata.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210902015840.pdfIn PDF document text
- http://z-i-f.ru/userfiles/file/21457737411.pdfIn PDF document text
- http://fedime.org/imagenes/wuwisutakixaru.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/maluvago.pdfIn PDF document text
- http://kbcsisa.com/upload/fckeditor/file/vufur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=old+version+vidmate+appPDF 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_off0000e015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE015 | 10644 bytes |
SHA-256: 7152af861de6d956beb91f826b70a4d0d51092a161f25acbac4b44ef9f7b303f |
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font_01_sfnt_off0000f86f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11081 | 17840 bytes |
SHA-256: 03ba09845bf8e40c004da9c5e66c311aeffc604f397f22420524e6f0dd44f295 |
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