MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to suspicious domains, and a heuristic identified it as a link farm on disposable hosting. This suggests the PDF is intended to redirect users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://poptheme.cn/uploadfile/files/20210909_223706.pdf In PDF document text
- http://kechengchem.com/upload/files/12709685399.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fc8c75321---noxokelanedojogofilu.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/19699092708.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/jusesurawa.pdfIn PDF document text
- https://labelmarket.pl/data/file/vurojiwoviral.pdfIn PDF document text
- http://centromedicoveterinarioadda.com/userfiles/files/46604116204.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/xowemaxigibitofufufur.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/puwavikini.pdfIn PDF document text
- https://efckrakow.pl/userfiles/file/mumopadej.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/42548613982.pdfIn PDF document text
- http://devitohomesorlando.com/userfiles/files/38243217807.pdfIn PDF document text
- http://haokunchem.cn/upload/files/wopozobofinosunapin.pdfIn PDF document text
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/zulegusuw.pdfIn PDF document text
- http://caythuocdangian.net/images/files/50411968201.pdfIn PDF document text
- http://xahuaheng.cn/userfiles/file/kozuvulesodagom.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/38978633852.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351402607ff---xibonodam.pdfIn PDF document text
- http://ecoaga.com/documentos/file/fewolikereruwus.pdfIn PDF document text
- https://sreekanakananda.com/ckfinder/userfiles/files/razaxobeveperu.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/23156378860.pdfIn PDF document text
- http://seamacros.com/upload/file/suvix.pdfIn PDF document text
- http://anduong-nhatthanh.com/uploads/news_file/5328865809.pdfIn PDF document text
- http://dinobajka.pl/Upload/file/reverifibalij.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+download+mgamer+mod+apkPDF 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_off0000e531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE531 | 10644 bytes |
SHA-256: 318e503cbdaef248244d5af64c356c130945819e536ef4516c0521803e967d11 |
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font_01_sfnt_off0000fd54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD54 | 18916 bytes |
SHA-256: 2c88b330852e331897220c2ab70a168b4bddb5d0d22140a6a8b0fd05a8c9fc29 |
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font_02_sfnt_off00012e0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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