MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as a phishing trojan and ML classifiers indicated maliciousness. It contains a large number of embedded URLs, many pointing to unknown or potentially malicious domains, suggesting a link farm or phishing lure. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, indicating a tactic to obscure malicious destinations. No scripts were extracted, but the overall structure points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://educhina.mn/editor/files/janilit.pdf In PDF document text
- http://mijinmotor.com/fckeditor/userfiles/file/vigiwi.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/75060126901.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382988c5084---tisojonaxipebinor.pdfIn PDF document text
- http://snsi.jp/image/news_file/wigebukevamoniguk.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/60541753388.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021091004451673499.pdfIn PDF document text
- https://oceanflowerhotel.com/uploads/image/files/72918195072.pdfIn PDF document text
- http://profstil.az/userfiles/file/bofozulonure.pdfIn PDF document text
- http://spain-ex.com/images/blog/file/29333413072.pdfIn PDF document text
- https://macroedunet.com/userfiles/file/kelelopola.pdfIn PDF document text
- http://vxclouds.com/userfiles/file/4883410454.pdfIn PDF document text
- http://wych123.com/upload/files/mirojotijupatuxu.pdfIn PDF document text
- http://ubytovani-budejovice.cz/picture/vtextu/file/79232482491.pdfIn PDF document text
- https://aimhc.com/userfiles/file/67779538854.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/88736127083.pdfIn PDF document text
- http://tvcsoltau.de/userfiles/file/gazazuvuben.pdfIn PDF document text
- https://kingyao.com/uploadfiles/files/20210918_005447_9793.pdfIn PDF document text
- http://air-con.ru/upload/files/37653407886.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16134f97eabd4a---suxipusifaduwovejirudibej.pdfIn PDF document text
- https://ev-owners.jp/userfiles/files/99625795344.pdfIn PDF document text
- http://termosystem.pl/userfiles/file/rivutamosasulopilan.pdfIn PDF document text
- http://forglory.cz/ckfinder/userfiles/files/xamukef.pdfIn PDF document text
- http://inimtrento.it/userfiles/files/sinasatoduretemibuge.pdfIn PDF document text
- http://otczenacts.com/media/files/mixasubulinubavufebiw.pdfIn PDF document text
- http://minhledtran.com/luutru/files/46486628570.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=too+hot+to+handle+season+2+watch+onlinePDF 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_off0000ddbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDBE | 18556 bytes |
SHA-256: d88efd9f779ce10ffe2f3bca1b1252aefc275f1415837910552a99ef8b89140f |
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font_01_sfnt_off00010db7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB7 | 10536 bytes |
SHA-256: a8d8fde457f0beb2ccb2c221532f241295b88a1a1bcd9c505dad0a4128fdc229 |
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font_02_sfnt_off000125ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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