MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous embedded URLs, many of which point to disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated and unreadable, but the presence of external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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://catamma.ru/uplcv?utm_term=how+to+transfer+photos+from+zapya+to+gallery PDF link annotation
- http://kmbb.at/userfiles/file/21241299315.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16143d92ca0338---3049475885.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143bf6e18059---wobuxulofesok.pdfIn PDF document text
- https://shunnasato.com/palimexixaporuxuwudiperis.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/boboreziwosimofazegaxeze.pdfIn PDF document text
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/25849054379.pdfIn PDF document text
- https://samavetpharm.com/userfiles/files/76452264726.pdfIn PDF document text
- http://balletpanov.com/uploads/files/derorenodovazekosiso.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/66c509927d47786d22b57a23903115c9/jomapiwegabogufuma.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/79629791053.pdfIn PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/45227577601.pdfIn PDF document text
- https://sportsslife.net/upload/ckfinder/files/52541234361.pdfIn PDF document text
- http://taociren.com/upload/file/210912010214836002jfetw73kjjxi.pdfIn PDF document text
- http://zulassungsdienst4you.de/bilder/file/26739875845.pdfIn PDF document text
- https://alstar.uz/images/shared/file/zasirazuzekituzemosir.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/76670267096.pdfIn PDF document text
- http://adasbruiloften.nl/userfiles/file/pibipixifedavolemi.pdfIn PDF document text
- https://www.afoa.org.ar/backend/ckfinder/userfiles/files/roxifowigubesixejitudol.pdfIn PDF document text
- https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/92762012886.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/mupirexijitapafewe.pdfIn PDF document text
- http://cegled.varosom.hu/userfiles/files/80885886770.pdfIn PDF document text
- http://shop-exclusive.cz/userfiles/file/vazukuselotalejulenev.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16143bd9bcd222---tegesuvot.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_off0000d341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD341 | 17292 bytes |
SHA-256: 80aad2c87d7352303ee2e7f9e0e4487ca49088b77ea9239f1a50785b8610faa8 |
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font_01_sfnt_off00010025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10025 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001183c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1183C | 10964 bytes |
SHA-256: 2b5a9e27298ab2dcbd9f9424b09c925ebb9c2a88c34db643f5a8823a40cbcf9c |
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