MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_CLICKFIX' heuristic suggests a social engineering attack that instructs the user to execute a command, likely to download and run a secondary payload. Embedded JavaScript and numerous external URLs further support this, pointing towards a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://oniceh.ru/uplcv?utm_term=automatic+call+recorder+does+not+record+incoming+voice PDF link annotation
- http://f-okinawa.com/img/tmp/files/11128017039.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/45715147877.pdfIn PDF document text
- http://decorstore.eu/upload/file/rifutezito.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16137de1c6f20e---kogesamoxumopagugef.pdfIn PDF document text
- http://motoren-adachi.com/js/upload/files/50592183316.pdfIn PDF document text
- http://medica-brno.com/files/wexamavaloresorupavapebox.pdfIn PDF document text
- http://gespk.com/userfiles/file/gawenimibewelelewexe.pdfIn PDF document text
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55545370887.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/39886577675.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/kevenotinefulenexuxop.pdfIn PDF document text
- https://ascii.tn/web/cgi/file/nizojugun.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/sirekibimeloxevav.pdfIn PDF document text
- http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/10428341803.pdfIn PDF document text
- http://goldia.cz/data/file/13013005704.pdfIn PDF document text
- http://hrudolf.com/userfiles/jojobifix.pdfIn PDF document text
- http://juentai.com/userfiles/files/kuwum.pdfIn PDF document text
- http://altronic.pl/!mag2011/userfiles/file/gaxamalixakov.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/57574642990.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/6692852949.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134343ff2a34---26341081284.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/42302535736.pdfIn PDF document text
- http://mateuszkucharski.pl/admin/file/13128429596.pdfIn PDF document text
- http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/nubupiwazo.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_off0000e5ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC3 | 10860 bytes |
SHA-256: af69dd30216c687467884568f977d5248c06fc63c90c9327690ba20c0b701736 |
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font_02_sfnt_off000116a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A7 | 17948 bytes |
SHA-256: 65248b2275fc395eec015bc81a24d6596f45d246a8ea9c3970e1297288cb77fd |
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