MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs pointing to disposable hosting, indicating a likely attempt to redirect users to malicious sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirection or phishing campaign. The presence of embedded JavaScript suggests an attempt to execute code within the user's browser.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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://smidgel.ru/uplcv?utm_term=hemophilia+is+a+recessive+sex+linked+trait PDF link annotation
- https://globalcareerclub.com/FCKeditor/userfiles/file/lexadidexuripubemesasu.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/mavezinenafa.pdfIn PDF document text
- http://cerrutistudio.eu/userfiles/files/wogonatosubov.pdfIn PDF document text
- http://sampleshipyard.com/userfiles/file/33845200243.pdfIn PDF document text
- http://pdww.ru/ckfinder/userfiles/files/26717189042.pdfIn PDF document text
- http://architettosbaffo.com/userfiles/files/46323781884.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/92473335722.pdfIn PDF document text
- http://sirinthepgroup.com/userfiles/file/waxadejo.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/69132549626.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/vibejakizupamavonaresa.pdfIn PDF document text
- http://motoren-adachi.com/js/upload/files/dogagisekifuzisipidababef.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/40066473877.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/xojikixilexigetes.pdfIn PDF document text
- https://istanajp2.com/contents/files/nuvepukijumikexuro.pdfIn PDF document text
- http://ydis.kr/userfiles/file/061112478473.pdfIn PDF document text
- https://kompaspt2.com/contents/files/majotoji.pdfIn PDF document text
- http://ayurveda-shiatsu-qigong-nice.com/upload/files/toxiwabatezisuvelid.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/lb0o1fnouh9qngj63iltfi2132/15007472220.pdfIn PDF document text
- http://kerrya.com/ckfinder/userfiles/files/rasenexakirofufalarinugef.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/jukivenididevuriv.pdfIn PDF document text
- http://poptheme.cn/uploadfile/files/20210926_140659.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/2746454505.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/pojekovojebofe.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/bubotutakizatitofuveni.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_off0000e9ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9EF | 11032 bytes |
SHA-256: eccf793a38b07d3c9487bacd6ab255daed67d808a84ad5e178ab23d263264815 |
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font_01_sfnt_off00010361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10361 | 18492 bytes |
SHA-256: e6f32bc8457ad352da2111c486ff79cefe38887f0cff8fd448dae13353812a79 |
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font_02_sfnt_off0001339e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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