MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various PDF files hosted on potentially disposable domains, which is a common tactic for phishing or malware distribution. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may instruct users to open a password-protected archive, a technique used to bypass gateway security scans.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://queure.ru/uplcv?utm_term=aplicacion+bloc+de+notas+para+android PDF link annotation
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136800a8c193---temiwovuwikakubojekupego.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/zusuzezanikovok.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/pusubimaxamewezeda.pdfIn PDF document text
- http://ongxoanhdpe.vn/upload/files/13202137992.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/58400508498.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/13998732700.pdfIn PDF document text
- http://sumtinathholidays.com/admin/uploadfiles/file/75393476085.pdfIn PDF document text
- https://123natura.com/stockages/files/78232119556.pdfIn PDF document text
- http://mextro.de/upload/files/xusivufepatigiruvu.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jipusefusamev.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/903090f9a49359396bce5264e7753e53/70974895152.pdfIn PDF document text
- https://galerie-louise.be/userfiles/files/36613509308.pdfIn PDF document text
- http://velomagazin.hu/UserFiles/file/pakakebowomikijejorowi.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/zozedu.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/jutitaxaretebaze.pdfIn PDF document text
- http://ort168.com/upload/ckeditor/files/dubutogu.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/20229032791.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/fojinudutewesuraxajoset.pdfIn PDF document text
- http://dentish.ru/ckfinder/userfiles/files/voworu.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/wobagefiwujibulutuxovom.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/dozenubebuxuzef.pdfIn PDF document text
- http://rowerowaszkola.pl/imgturysta/files/39479126090.pdfIn PDF document text
- http://choragwica.pl/userfiles/file/puselaluvuxubavuno.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC12 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE424 | 17932 bytes |
SHA-256: 8b677a12df989de45c904710f4a21283a2c315631816d95bdeca6b6520ae447c |
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font_02_sfnt_off000111c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C8 | 10628 bytes |
SHA-256: 9d2c72fc29173950d0e89fcd81468d98f2d0373b12d119f6ee874934ab1d574f |
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