MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The sample is a PDF document flagged as malicious by ML classifiers and ClamAV. It contains numerous external URLs, suggesting a phishing or redirection attempt. Notably, a heuristic indicates a 'Clipboard command execution lure,' where the document instructs the user to copy and paste content into a shell, a common technique to bypass security measures and execute commands. The presence of URLs like 'https://nomylo.ru/uplcv?utm_term=windows+10+pro+full+setup+download' further supports a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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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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://nomylo.ru/uplcv?utm_term=windows+10+pro+full+setup+download PDF link annotation
- http://quick-thailand.com/images/uploads/file/paputewinukubuguziw.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614356a1a361c---87604225249.pdfIn PDF document text
- http://theemasternetworker.com/ckfinder/userfiles/files/wamezotimifubam.pdfIn PDF document text
- http://rosniyom.com/userfiles/files/bexutapupoma.pdfIn PDF document text
- http://centronegozi.com/public/bepilib.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/87955386360.pdfIn PDF document text
- http://icaalliance.org/filespath/files/20210906082753.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f77938f6dd---maxalekodosuzewogafoxit.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/fujosolizijonufoxijupibip.pdfIn PDF document text
- http://n-production.com/upload/fckeditor/file/66772562852.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210917152531.pdfIn PDF document text
- http://tandartsindex.nl/images/uploads/perotovejewuvebabewipigib.pdfIn PDF document text
- http://vibrobeton.by/pics/files/29520632791.pdfIn PDF document text
- http://familie-schiecke.de/images/file/84146442212.pdfIn PDF document text
- http://stapper.de/sites/default/files/userfilesfile/97988554922.pdfIn PDF document text
- http://samtle.net/ckupload/files/mijetofopegesul.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/70993979505.pdfIn PDF document text
- http://rayocazar.com/images/elfinder-1.1/files/file/72023410053.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/88803065317.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/72159468953.pdfIn PDF document text
- https://electrodomesticaruano.com/images/ckfinder/files/kigarovuwon.pdfIn PDF document text
- https://konteshamamotu.com/userfiles/file/tedemilebig.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/12247140352.pdfIn PDF document text
- https://fuoriscena.eu/file/tugenuvidexazofibug.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/11638597116.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/nepusizomamanekibowem.pdfIn PDF document text
- https://cafesca.info/ckfinder/userfiles/files/jaxovigikaretiluge.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_off0000dcd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD8 | 10844 bytes |
SHA-256: d3a07ad151386f8d0bc7c09b7baab831e35a247d333959a3b4bcc4387ac852b1 |
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font_01_sfnt_off0000f612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF612 | 17884 bytes |
SHA-256: e2e1df4195818c05cca5076b4eafa92f7b5713a71c3c586f6784575fd71219b9 |
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font_02_sfnt_off000124b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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