MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or malware distribution lure. It contains numerous external URLs, many pointing to disposable hosting, suggesting it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates a non-clustered link farm on disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://cructi.ru/uplcv?utm_term=3gp+telugu+mobile+movies+2018 PDF link annotation
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/komavar.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/71946163631.pdfIn PDF document text
- http://jiachuankeji.com/upload_fck/file/2021-9-22/20210922225045860175.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/wowipidi.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/genujarajaked.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/44074376120.pdfIn PDF document text
- https://sanvexe.vn/webroot/img/files/23864587226.pdfIn PDF document text
- http://angelofthewinds.org/ckfinder/userfiles/files/zezonakojufibasapapede.pdfIn PDF document text
- https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/62503905355.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/jiposonivapibigazobevega.pdfIn PDF document text
- http://gandolfiarchitetti.com/userfiles/files/tiwomapulibo.pdfIn PDF document text
- https://eric-parnes.com/ckfinder/userfiles/files/80869804797.pdfIn PDF document text
- https://helicopterleasingservices.com/userfiles/files/9770009780.pdfIn PDF document text
- http://euroteam.vn/ckfinder/userfiles/files/nanas.pdfIn PDF document text
- http://vinhthuan.com/upload/files/bofomofinilekifes.pdfIn PDF document text
- http://belovosushi.ru/files/dosuf.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/41968243312.pdfIn PDF document text
- http://parafiasadkowice.pl/pliki/83385549906.pdfIn PDF document text
- http://igabana.com/upfolder/e/files/20210907024932.pdfIn PDF document text
- http://nutrizionisti.eu/public/thread/risorse/file/15073082492.pdfIn PDF document text
- https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/meses.pdfIn PDF document text
- https://etadelloro.it/images/file/zawegolanedawogofaxawowe.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/4efv77258jsqb37h6f4qb2bm0k/kerodaxuleve.pdfIn PDF document text
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF24 | 18888 bytes |
SHA-256: b4b012a97ff626f4a020a60d04937329bf1d70acaf065f9973c4ab9825fe9438 |
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font_01_sfnt_off00011024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11024 | 11112 bytes |
SHA-256: 1793e7defab1cc602ed2d55a634584632450a494870ac8f5d37208482d49ab58 |
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font_02_sfnt_off000129f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00014206.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14206 | 1888 bytes |
SHA-256: 228445a3744f13af4bf84041e55802a923554d86926eb0745489ea117e4ab105 |
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