MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and numerous external URIs pointing to disposable domains, indicative of a phishing or malware distribution scheme. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document's purpose is to trick users into downloading a password-protected archive, likely to bypass security controls. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://medvor.ru/uplcv?utm_term=wwe+2k20+iso+file+download+for+ppsspp PDF link annotation
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/85082914094.pdfIn PDF document text
- https://estoniapools.com/contents/files/fololaz.pdfIn PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/59987600750.pdfIn PDF document text
- https://icoachyou.biz/images/ckeditor/files/43202994393.pdfIn PDF document text
- http://niktid.ru/userfiles/file/maxujudu.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/gasabajepologiruki.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/82b98f33b3150d8addedd99deb8a7efe.pdfIn PDF document text
- https://deycaterers.com/ckfinder/userfiles/files/66013830440.pdfIn PDF document text
- https://thietbixanh.net/uploads/files/nusavero.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/kizokad.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/mudavidib.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/89634189878.pdfIn PDF document text
- https://giasidaily.com/uploads/userfiles/file/suvisufonepifud.pdfIn PDF document text
- https://alariel.be/userfiles/file/43207494738.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/3b49865f34e1de6b939ea4e975077a9f/31061384986.pdfIn PDF document text
- http://speed-r.com/js/upload/files/113215477.pdfIn PDF document text
- http://deltools.com/userfiles/file/12857265225.pdfIn PDF document text
- http://sarljarry.com/userfiles/file/20833010335.pdfIn PDF document text
- http://ternovykh.ru/content/file/lalozabiko.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/41868202094.pdfIn PDF document text
- https://datenglagi.com/contents/files/97650693588.pdfIn PDF document text
- http://feriaalainversa.com/uploaded/files/9358165847.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8c5f0bfec---91003321557.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_off0000e3a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A9 | 10808 bytes |
SHA-256: 9e4b03941270dcaddb4afca2cfb96047a81931c23697fc1216e052f05532006b |
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font_01_sfnt_off0000fcc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC4 | 17152 bytes |
SHA-256: 6a31c666d6b3b9916fc39d2a5e404d62fb3aebe2d04c2cf3773c03341bebc2ac |
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font_02_sfnt_off00012951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12951 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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