MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a credential phishing lure. It contains embedded JavaScript and multiple external URIs, including one pointing to 'philabc.ru/uplcv' which is likely used to redirect the user to a malicious site. The presence of embedded JavaScript suggests an attempt to exploit vulnerabilities or perform malicious actions within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://philabc.ru/uplcv?utm_term=download+apk+authenticator PDF link annotation
- https://censcakmu.org/board/file/files/57186748701.pdfIn PDF document text
- http://alarmy-kamery24.pl/userfiles/file/zefofafijisepab.pdfIn PDF document text
- https://shastriratanchatterjee.com/ckfinder/userfiles/files/gunamojos.pdfIn PDF document text
- http://firegallery.ru/img/upload/35437746051.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/72156769447.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name/files/36627029627.pdfIn PDF document text
- https://weddingitaly.jp/images/file/pozufus.pdfIn PDF document text
- http://vucert.vn/uploads/files/modarenujiva.pdfIn PDF document text
- http://tk-weld.com/images/library/File/ligix.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/gureloviwalukoso.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/11319033649.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/63082008539.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/sozikavofibifu.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/33479586908ed2ffcf039dd98dbc54a8/jetivomemuxasuxesix.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/14927222810.pdfIn PDF document text
- http://festacreativita.org/userfiles/file/11181809547.pdfIn PDF document text
- http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/veximurokuxerun.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/31709773419.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/tubedokuvofurepakunutad.pdfIn PDF document text
- http://arucax.am/user_images/file/64750578261.pdfIn PDF document text
- http://taigesw.com/upload/files/43772698506.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/80845338440.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/71985711635.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a69075b25e---vopuvobezaxep.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_off0000cd0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD0E | 17364 bytes |
SHA-256: 73a8c446d7f0445e4071ef2799150510b71ed079d433f8bdbab575998f52ad98 |
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font_01_sfnt_off0000f951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF951 | 10724 bytes |
SHA-256: 0552a9ab0388358a0c2f2101ec850e190fcc46cf2e27993125ae8e28efa35069 |
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font_02_sfnt_off000111e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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