MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and contains embedded JavaScript. It also includes numerous external URIs, with one specifically pointing to a URL that appears to be a download or phishing lure. The presence of JavaScript and external links suggests an attempt to execute malicious code or redirect the user to a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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://krisoc.ru/uplcv?utm_term=download+android+games+on+computer PDF link annotation
- https://nazragame.com/calisma2/files/uploads/36562944474.pdfIn PDF document text
- http://musthighschool.mn/ckfinder/userfiles/files/91313061754.pdfIn PDF document text
- http://poultech.net/d/files/wiwebimetekaxivejuzalu.pdfIn PDF document text
- https://readandenjoy.ae/userfiles/files/73303987491.pdfIn PDF document text
- http://iranjobex.com/cache/fck_files/file/tawijen.pdfIn PDF document text
- https://vialivonica.eu/userfiles/files/3765175708.pdfIn PDF document text
- http://roletyhanarol.pl/files/file/lagupu.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/75935444708.pdfIn PDF document text
- http://teplospectr.ru/images/files/masekavanaluretol.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/96341463710.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/90087691763.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/86336956357.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/dumekituxidi.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/zujipojasatojubegevadefu.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-4/20210904213639981786.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/b8771f258af95b677601425a64a7f2c4/vemapukixeteku.pdfIn PDF document text
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/devof.pdfIn PDF document text
- http://eldmsh1.ru/js/ckfinder/userfiles/files/75367642356.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/kagemitopokusoxululoki.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/mokorerigodi.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613035c38cd3a---65159754554.pdfIn PDF document text
- https://mokhalasati.com/userfiles/files/15361877090.pdfIn PDF document text
- https://marblo.marblobaths.ph/app/webroot/img/files/wasotiruzuwewusigokomu.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/72651105423.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_off0000b679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB679 | 15292 bytes |
SHA-256: 55315fa32d4afde5a8218af84e944e98941ff8b620ddb6fe880aa7defaa15884 |
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font_01_sfnt_off0000dd47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD47 | 11044 bytes |
SHA-256: d0be23fc4d0e65219b0028ec8a96954bb3761743f6415021615c98abfa9cf22a |
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font_02_sfnt_off0000f6d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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