MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely exploits a vulnerability or contains malicious content. The presence of numerous external URIs, many pointing to disposable domains and forming a link farm, suggests a phishing or redirection scheme. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and heuristic firings point to a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://laibros.com/ckeditor/userfiles/files/dojijikebupatoniporaxifi.pdf In PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16133665880b25---1962233395.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401c9b39d13---16071133307.pdfIn PDF document text
- https://manpowernepal.net/ckfinder/userfiles/files/94092452105.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///12430519916.pdfIn PDF document text
- https://siemreaptraveltours.com/userfiles/file/gazozobusosevelobili.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/44515392987.pdfIn PDF document text
- http://madveras.com/ckfinder/userfiles/files/vosalelowutederuxexuvuba.pdfIn PDF document text
- http://ninda.vn/userfiles/files/15540136349.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/nawomuwasepujitaf.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/70805313466.pdfIn PDF document text
- http://suamanhinhlcd.net/userfiles/file/toniwefovox.pdfIn PDF document text
- https://willes-gb.com/uploads/files/202109020410515223.pdfIn PDF document text
- http://robwalker.net/fckupload/file/60646323977.pdfIn PDF document text
- https://gazeta-msp.pl/user_files/File/98461706753.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/98405150529.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/20674258526.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/36718514218.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/fijelosikopapakad.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/vepovalaxaxozizelututoso.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/pajojij.pdfIn PDF document text
- http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210914_063329.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/dumuvepebidosetodewejobu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=mobiletrans+android+to+iphonePDF 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_off0000e291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE291 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000faa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA8 | 10624 bytes |
SHA-256: d019ffe1fac938c3331a18c70e2efb9e7e14272ca2b22f1e8c89f565c375c27e |
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font_02_sfnt_off0001129a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129A | 18424 bytes |
SHA-256: 615280e2e70355bf3b135f270c12c3c0106219f554a318874a3ec9dbea6b4d69 |
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