MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a heuristic firing indicates it's a link farm on disposable hosting. Crucially, a 'Clipboard command execution lure' heuristic suggests the document instructs the user to copy and paste content into a shell, a common technique for executing malicious commands. The embedded URLs likely lead to further stages of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://crysiq.ru/uplcv?utm_term=document+scanner+android+studio PDF link annotation
- http://epmachine.ru/d/files/6037711229.pdfIn PDF document text
- https://www.antoniopopolizio.it/ckfinder/userfiles/files/jinate.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/faa85e56c8ab21500789df7b15485790/45245810239.pdfIn PDF document text
- http://eamenfaraz.com/cache/fck_files/file/kozosogepimuka.pdfIn PDF document text
- http://wangguanhardware.com/userfiles/file/4449785154.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/66838880179.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/woxiboserobopibo.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/wimoxikatef.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/kapufumebawoki.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141fa2bed285---zadekozepusen.pdfIn PDF document text
- https://argumentua.com/i/file/wesizofutidofiveragurofo.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/25594273592.pdfIn PDF document text
- http://litroshaber.net/resimler/files/11385120755.pdfIn PDF document text
- http://xn--j1aii.su/userfiles/file/dipunovux.pdfIn PDF document text
- http://baovecongtruong.com/upload/files/kuraxekaxobizogobeju.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/retepesapiwowekozemino.pdfIn PDF document text
- https://xn--80aggmy8c6c.net/UserFiles/File/56744061369.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/10519770813.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/dekabov.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/45554614656.pdfIn PDF document text
- http://air-con.ru/upload/files/24015697423.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/09/files/210902201104.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/21230385965.pdfIn PDF document text
- http://xprchemical.com/upload/files/kupumeteb.pdfIn PDF document text
- https://ottopianos.nl/files/482239977.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_off0000d8bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BB | 10584 bytes |
SHA-256: bb7e92477d61d51b11c20a36a9549d5a43eccbe0ef9a9219f199ae39f2156a67 |
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font_01_sfnt_off0000f0db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DB | 18048 bytes |
SHA-256: deb271631dc9a6c02b9bc4ded0ef6b0287bc69f7077d53648a9aebc79e76fd85 |
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font_02_sfnt_off000120a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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