MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to potentially compromised or disposable domains, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and the presence of numerous external links indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 5
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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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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 http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613704a525f2d---masidawidaxivumisexufod.pdf In PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16136c95901f04---vufonedorevonok.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/202196455397806.pdfIn PDF document text
- http://silarperu.com/UserFiles/file/12289330446.pdfIn PDF document text
- http://spbi.cz/res/file/dekipekid.pdfIn PDF document text
- http://serbanindustrialconstruct.ro/uploads/files/kakitazadiwepozorekatu.pdfIn PDF document text
- http://chapelguild.com/images/usr/resurovebinafevatoxoxob.pdfIn PDF document text
- https://mkontroll.hu/File/polupufadez.pdfIn PDF document text
- https://bushregenerators.biz/userfiles/files/ravujakedogetudizon.pdfIn PDF document text
- http://groupelamiri.com/uploads/FCK_files/file/7056454219.pdfIn PDF document text
- http://vilniausgreziniai.lt/userfiles/file/japoxamalavedowunogaw.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/muwuruko.pdfIn PDF document text
- http://alhambra.kopanramen.com/uploads/files/fasivogigitamefunopodur.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/5686093934.pdfIn PDF document text
- http://artediapharma.com/upload/files/23517965382.pdfIn PDF document text
- http://ersatzmonitor.de/userfiles/file/15110840541.pdfIn PDF document text
- http://sloplast.com/userfiles/files/73691031582.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/76673020047.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/nipifosafa.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/25853427193.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/pijikujexixedu.pdfIn PDF document text
- http://schokozentrale.de/idata/83431248802.pdfIn PDF document text
- https://grafconsulting.pl/Upload/file/32571579352.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/77820668834.pdfIn PDF document text
- https://mgc.to/sites/web/upload/files/fibefepiliniladu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=mac+os+big+sur+kernel+panicPDF 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://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_off0000f242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF242 | 10776 bytes |
SHA-256: edcd271976efb5af19a43ed28befdf36b02a330d09306eb79744287412753732 |
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font_01_sfnt_off00010afa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AFA | 18192 bytes |
SHA-256: 09eb46bdc0b08b1a74810a6cc9a6456e871c7ab46335b72f2430767d8b221201 |
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font_02_sfnt_off00013a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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