MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which are hosted on disposable domains and appear to form a link farm, suggesting an attempt to distribute or redirect to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://15449010.com/FileData/ckfinder/files/20210909_1581A631861E1D93.pdf In PDF document text
- http://xn--b1akwe.xn--p1ai/userfiles/file/sijimesedazimaxibosubi.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/tujiwa.pdfIn PDF document text
- http://badaranquehablar.com/userfiles/files/6787275490.pdfIn PDF document text
- https://associazionemusicaviva.it/uploads/file/90742603960.pdfIn PDF document text
- https://madame-tina.com/ckfinder/userfiles/files/wazapoxefa.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/lukeratijufizekeximatoge.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/xadiwikuzetobabidis.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161340a455d011---jirametabuvelep.pdfIn PDF document text
- http://countryclaim.cz/userfiles/file/23250862561.pdfIn PDF document text
- https://pecsikult.hu/files/file/91529869849.pdfIn PDF document text
- https://careersourcechipola.com/files/public/92794905177.pdfIn PDF document text
- https://keongracun.org/contents/files/fegazikufexilovafobube.pdfIn PDF document text
- http://puisan.ru/uploads/file/kasigofubo.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/50626646255.pdfIn PDF document text
- http://marleenjansen.nl/images/uploadfiles/gapuvagoguwupedemonod.pdfIn PDF document text
- http://elma1.ru/!upload/files/85316079128.pdfIn PDF document text
- http://nutrizionisti.eu/public/thread/risorse/file/29710539199.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614af1b88f6de---kavarugelavemepekibavozij.pdfIn PDF document text
- https://ita.kru.ac.th/ckfinder/userfiles/files/nojejukamiroputedaja.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109180402464903.pdfIn PDF document text
- http://bedrucken24.de/userfiles/file/xipubinuvegopigi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=gta+5+download+android+apk+no+verificationPDF 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_off0000aebf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEBF | 15484 bytes |
SHA-256: a4bdd21c6a9120db433f8d32ca2b684b39254b32373301d8f629dd3a2dd2a01e |
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font_01_sfnt_off0000d594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD594 | 10860 bytes |
SHA-256: 52c5c0cb0d09529fa4825e14c265fd39cd29e5f55cf8ef55db9a9a362502c753 |
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font_02_sfnt_off0000eef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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