MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The 'SE_CLICKFIX' heuristic indicates the document employs social engineering by instructing the user to execute a command, likely to download and run a second-stage payload. The numerous embedded URLs on disposable hosting further support a phishing or malicious download campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://smidgel.ru/uplcv?utm_term=modo+a+prueba+de+fallos+samsung PDF link annotation
- https://thefencedocumentary.ca/adminfiles/file/76019629847.pdfIn PDF document text
- http://cobmedia.hu/include/womamatoraburexazif.pdfIn PDF document text
- http://mariautonoleggiomarsala.it/userfiles/files/wabaxewonumimifudupivux.pdfIn PDF document text
- http://vlajkylevne.cz/UserFiles/File/sosokilutezon.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210908090833.pdfIn PDF document text
- http://clinicaveterinariailmarzocco.it/userfiles/files/jewuduxesorotarefusonimok.pdfIn PDF document text
- http://haustechnik-hagenauer.at/tifixexejijotadetev.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021090723470673499.pdfIn PDF document text
- http://archpiudue.com/userfiles/files/saxakonobutebanoxelu.pdfIn PDF document text
- https://akemi.ro/hirek/file/xiradi.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/29827461522.pdfIn PDF document text
- http://mzch.pl/userfiles/file/pesozodezimomogorewir.pdfIn PDF document text
- http://jeyadhurgatemple.com/userfiles/file/28152550944.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/29201818405.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161345c6cb866b---nutozarazeri.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/65223604752.pdfIn PDF document text
- http://grasslandtj.com/upload/files/xoropemudogimalas.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/80341012215.pdfIn PDF document text
- https://firmabudowlanawalczak.pl/web/uploads/files/62520658382.pdfIn PDF document text
- https://cmfnepal.org/userfiles/files/panoxovugazomewuxa.pdfIn PDF document text
- http://lemma-studio.pl/userfiles/file/rotopitanijomok.pdfIn PDF document text
- https://soudurelausiere.com/upload/editor/file/folanuzebudevuzemew.pdfIn PDF document text
- https://virker-ikke.dk/files/97971497274.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_off0000d90c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90C | 10884 bytes |
SHA-256: b1aad222e30054a401f3ab70c3dbba978e508f690a8c94452b6cd7d35aef79cd |
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font_01_sfnt_off0000f1b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B4 | 18460 bytes |
SHA-256: 2270ce386446295010b0de9c8b98d4c8575f6966e210fc4962c2638d1bb100e3 |
|||
font_02_sfnt_off000120aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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