MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports that the document is designed to host multiple links on disposable domains, a common tactic for phishing or malware distribution. No scripts were extracted, but the presence of external links is the primary indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 https://www.lsv-wittlage.de/ckfinder/userfiles/files/lopexojeketiwawam.pdf In PDF document text
- http://eortak.com/img/fck_temp/file/kowiwovixobelaxo.pdfIn PDF document text
- http://thestarbusan.net/FileData/ckfinder/files/20210907_4EB4D3EBBFD44EAC.pdfIn PDF document text
- https://kaparatt.com/images/File/66410632363.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/6b3a7cf0ff56ac922f2f3b093e4e3d61/9798061747.pdfIn PDF document text
- http://shimamura-mail-order.com/userfiles/file/16248852824.pdfIn PDF document text
- http://vanprodukt.cz/UserFiles/File/lofubivodetadojo.pdfIn PDF document text
- http://cycling-software.com/files/file/22714262690.pdfIn PDF document text
- http://csptech.net/admin/userfiles/file/17702741156.pdfIn PDF document text
- https://mabuksusu.com/contents/files/waramilaxakenukak.pdfIn PDF document text
- http://kxqcgs.com/filespath/files/20210909140017.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/tukosibamo.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/87746328555.pdfIn PDF document text
- https://indiantiffin4me.com/nbloom/fckuploads/file/dageridazajixemudiwobir.pdfIn PDF document text
- http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/kapawitusuzoziz.pdfIn PDF document text
- http://aallergy.friend-match.com/upload/files/wamisoxepokodezesilef.pdfIn PDF document text
- https://cncunse.com/d/files/8024520175.pdfIn PDF document text
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/11899434267.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/5102249329.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/41738851616.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f03cea702a---pugunavigizuvinupepu.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/sukibawokuwabigiso.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=taxi+sim+2016+mod+apk+downloadPDF 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_off0000cae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE2 | 10928 bytes |
SHA-256: 47d7f26a9bbd6d7beb7e4b96ff1fcf852f9bf837866e56034be180be1e95fd86 |
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font_01_sfnt_off0000e447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE447 | 17036 bytes |
SHA-256: 9e96669f26c2dafdff7e4a5668d7e6daddb4408271c0f42904132cccd56906b3 |
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font_02_sfnt_off00011013.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11013 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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