MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple links to external resources, some of which are hosted on disposable domains, suggesting a phishing or malware distribution attempt. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs the user to copy content for execution in a shell, a common technique for initiating further malicious activity. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://queure.ru/uplcv?utm_term=slide+to+unlock+apk PDF link annotation
- http://hkxhjfc.ltd/uploads/files/20210907051259.pdfIn PDF document text
- https://futurefacesmiami.com/uploads/file/20999582677.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/roranebexuzejuwomokek.pdfIn PDF document text
- http://mmsmarin.com/imgimage/file/dativogojejinazitefuke.pdfIn PDF document text
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/47441049217.pdfIn PDF document text
- http://ebus.cn/up_file/file/xudibewiwexaxuvajapowele.pdfIn PDF document text
- http://geasit.it/userfiles/files/69170240869.pdfIn PDF document text
- http://bacsiha.com/public/ckfinder/userfiles/files/44817523665.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/fhlgr865qa5ulkuc0d2i49mlso/jozumararilenufezinat.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/tomijak.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/nomenavotenipurozoxepifez.pdfIn PDF document text
- https://lixtech.com.tw/ckfinder/ckfiles/files/digewu.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210909_064905.pdfIn PDF document text
- http://cabanagarden.hu/editor_up/6257618059.pdfIn PDF document text
- http://bacvietexpress.com/upload/userfiles/files/78821451428.pdfIn PDF document text
- https://proia.bg/userfiles/file/61531396901.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb1f5aa8c6---71232262276.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/84983535170.pdfIn PDF document text
- https://chogmai.org/ckfinder/userfiles/files/nififitu.pdfIn PDF document text
- https://kakakmanis.com/contents/files/duxiloxadozonanabuvelapek.pdfIn PDF document text
- https://luckysurface.itweald.com/uploads/files/613d234487d2a.pdfIn PDF document text
- http://vaynhe.com/upload/files/28713504558.pdfIn PDF document text
- http://happy-land.hu/editor_up/79066404138.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_off0000c0da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0DA | 19292 bytes |
SHA-256: 4ec7fc8d058af83e27739cf78ba08fe0675affb18807eb518504d34cec00ac3a |
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font_01_sfnt_off0000f35e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B75 | 10504 bytes |
SHA-256: cc1214ed1a959c1f1917a46594fea7d2cd1e305e7f679581cce37798e6075144 |
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