MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm with numerous external URIs, many hosted on potentially disposable domains, suggesting a phishing or malware distribution scheme. The presence of 'LOLBin token sequence in document text' further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://adirondackseafood.com/ckfinder/userfiles/files/55492565815.pdf In PDF document text
- https://longislandinvestmentadvisors.com/nini/userfiles/file/66780847885.pdfIn PDF document text
- https://comtraining.cl/userfiles/files/5891036803.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/fusuvolaziwadi.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/minunuxawidof.pdfIn PDF document text
- https://anninhsieuthi.online/upload/files/wolodusemogutozop.pdfIn PDF document text
- https://cornwallstaffagency.com/userfiles/file/laliwifup.pdfIn PDF document text
- http://charmingcurls.se/upload/file/negiwe.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/wunuroteteniwexaz.pdfIn PDF document text
- https://www.nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/busafafixevuvamo.pdfIn macro / runtime command snippet
- http://sapthagireesyathra.srikarpagavinayagamills.com/userfiles/file/bigodipubafesexoz.pdfIn PDF document text
- http://nickelsgrafikdesign.de/ckfinder/userfiles/files/voxamivis.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/bidobikukopidew.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/60927564420.pdfIn PDF document text
- http://manilag.com/FileData/ckfinder/files/20210903_6033E3F5B7A1BF08.pdfIn PDF document text
- http://machin.kr/userData/board/file/fukugibixosow.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/8106919875.pdfIn PDF document text
- http://keemunblacktea.cn/uploads/file/040110262165.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/tebajalofijofo.pdfIn PDF document text
- http://toanthinh.vn/webroot/img/files/xilun.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/87315892654.pdfIn PDF document text
- http://dyglas.com/userData/board/file/26822529478.pdfIn PDF document text
- http://iehyun.com/editorupload/file/fokanerivopise.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzIn macro / runtime command snippet
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=night+sky+iosPDF 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_off0000b879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB879 | 16496 bytes |
SHA-256: f31a0e3b726df6ab28df3eab7471f778cff3d4a4c0947b450bedc3086532e2f1 |
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font_01_sfnt_off0000e2cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE6 | 10024 bytes |
SHA-256: 7d8ad5eef5d1236bfc8cdc2fdf1846e7c1f0ddea6ed60075b95e6e65a5a36c64 |
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