MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to disposable domains and employing UTM parameters, suggests a phishing or link-farming operation. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates the document's purpose is to redirect users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://infrive.ru/uplcv?utm_term=how+to+see+who+viewed+your+tiktok+profile+june+2020 PDF link annotation
- http://absolutelyneon.com/userfiles/file/sizavufu.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/66006653191.pdfIn PDF document text
- http://uelzecht.lu/userfiles/files/74754321791.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-10/20210910132833423420.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/2ab4cf3a100243bc2f6ab3e8ed002d71/17739601654.pdfIn PDF document text
- http://colantuono.it/userfiles/files/62091628888.pdfIn PDF document text
- http://phfamilyrestaurant.com/uploads/files/kerubiguwimifujegijikesu.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/kujexunigevobed.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/tojadaxukaridejijufumeru.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/16792436153.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/gesafifipadomino.pdfIn PDF document text
- https://nezrenpin.com/calisma2/files/uploads/benobe.pdfIn PDF document text
- https://sbsoftware.ro/admin/userfiles/file/wimopuxolibawuvixog.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/nalunotedotibuwomaxo.pdfIn PDF document text
- https://kimansion.com/uploads/file/73975369750.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614709521df61---nagakezetopugadimu.pdfIn PDF document text
- http://jfe.hk/userfiles/2054023834.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/filin.pdfIn PDF document text
- https://perfumes.dropship-tracking.com/userfiles/files/38430828279.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/telukate.pdfIn PDF document text
- http://kmjjt.com/uploadfiles/file/231045218542.pdfIn PDF document text
- http://expresskaliski.info/file/voguririmi.pdfIn PDF document text
- http://goldmustang.com/files/files/kasawuvutofexetar.pdfIn PDF document text
- http://hotelbelleepoque.bg/userfiles/file/77429278500.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_off0000d7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A6 | 17388 bytes |
SHA-256: a5ffecc1fd085153725313b9ca977eba8bc0977e590209296d8e20f61760a382 |
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font_01_sfnt_off00010456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10456 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C6D | 11252 bytes |
SHA-256: 49c9cf862fe1b964ead19aee8a197c56c8bd5c67ffac29c4b25ff9b19a83ce21 |
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