MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also leverages numerous external URLs hosted on disposable domains, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to trick users into downloading further payloads or revealing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://smidgel.ru/uplcv?utm_term=head+first+design+patterns+pdf+download PDF link annotation
- https://itscebu.com/upload/file/20210922001018.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/36519037525.pdfIn PDF document text
- https://defi128.phpascal.com/userfiles/files/zemenobapojufagetifan.pdfIn PDF document text
- https://ever-progress.com/upload/files/43250358442.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/t944bq75o5g5aceinlsujkuste/36866192223.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/74781255000.pdfIn PDF document text
- http://mayinmaunhat.com/upload/files/53013475267.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/71970695219.pdfIn PDF document text
- http://hoanggiaphatstone.com/upload/files/1286368591.pdfIn PDF document text
- http://northcity.rs/slike/files/vamukevofamedoj.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/bageladamujexivixovumepig.pdfIn PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/gaxojidezateleladikolezu.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/fdc4fc5fdc89cba4714e660d6b4b3f6f/labanepiru.pdfIn PDF document text
- https://vientangluc.com/upload/files/14324848446.pdfIn PDF document text
- https://kermoulin.com/userfiles/file/22721456830.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/nuwuzepodemevugev.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/mewugebijewutegofufu.pdfIn PDF document text
- https://a-pointpro.com/cms/ckfinder/userfiles/files/13225684002.pdfIn PDF document text
- http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/zurawukaruvodet.pdfIn PDF document text
- https://thefertilizergranulators.com/d/files/dabogovufanesabejoludexem.pdfIn PDF document text
- https://xn--fct5g39pjpo.tw/upload/leakstop/files/ximebuporud.pdfIn PDF document text
- https://holcom-wd.holcom.vn/webroot/img/files/mipimuwoxovom.pdfIn PDF document text
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/pawazarabujazomigenoferu.pdfIn PDF document text
- http://biosafety.biz/ckfinder/userfiles/files/dejasivar.pdfIn PDF document text
- http://neogmbh.de/www/sites/default/files/userfiles/file/mewetupikusifufebejam.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_off0000daa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA7 | 10748 bytes |
SHA-256: 952b0c7d4f5af79bf5a9666b3dd1416bd1d8f19d3f630e07deb378e46ddd0f82 |
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font_01_sfnt_off0000f343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF343 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B55 | 18840 bytes |
SHA-256: e1c5a995c4b5e2ab9cb176256785e56e9883a238711c9b09f4f9c502626323b8 |
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