MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external URIs, many of which point to potentially malicious PDF files, suggesting a link farm or redirection mechanism. The PDF's structure and embedded content, despite being heavily obfuscated, are indicative of an attempt to host or distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://ladna.pl/user_images/file/52184702300.pdf In PDF document text
- https://nulifeus.com/~nulife/userfiles/file/pogiwadomogosudumejikifig.pdfIn PDF document text
- http://zzzwchem.com/upload/files/kefosilejaxerabepos.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/42524307477.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/xanema.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/kokitujupojajavisepe.pdfIn PDF document text
- https://osakaav.com/userfiles/files/34844725516.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/161522ce31f4b2---45200053382.pdfIn PDF document text
- https://gsacademy.ge/uploads/files/rolini.pdfIn PDF document text
- http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/63629015699.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/62351850558.pdfIn PDF document text
- http://donkaew-furniture.com/ckfinder/userfiles/files/tenuw.pdfIn PDF document text
- http://kfnmsz.com/upfolder/e/files/20210903195501.pdfIn PDF document text
- https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/fojumitumunegelu.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/1880783944.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/51925918915.pdfIn PDF document text
- http://artepcb.com/upload/files/22265735550.pdfIn PDF document text
- https://makenie.com/upload/files/94643042534.pdfIn PDF document text
- https://cooperadora.grupocreartel.com/documentos/archivos/83865094064.pdfIn PDF document text
- http://ajmason.com/admin/ckfinder/userfiles/files/61586268681.pdfIn PDF document text
- http://2013.letnifestiwal.pl/ckfinder/userfiles/files/sitorebile.pdfIn PDF document text
- http://nfc.soo.jp/file/4862894104.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/gazexolujijubijosonoder.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=street+fighter+alpha+max+3+psp+isoPDF 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_off0000b729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB729 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF3B | 18596 bytes |
SHA-256: 90da0945dbc8094917e4e63053dffd3f5cb43192b60c34e55f0838bc028e4b42 |
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font_02_sfnt_off0000ff91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF91 | 11052 bytes |
SHA-256: 2888bfa4efe14a32e89e38a5bb17fe88cda60a21d2fc9cd38e6be7b7846b0455 |
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