MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities. The PDF also contains numerous external URIs, many of which point to disposable domains and form a link farm, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/e05afb140aed291da9b830719a84bbfa/99991020919.pdf In PDF document text
- https://novamakine.com/upload/ckfinder/files/zogadoxoroxedoxifinila.pdfIn PDF document text
- http://dienlanhhuubinh.com/upload/files/14089096589.pdfIn PDF document text
- http://dragonera.cn/admin/userfiles/file/selobaberozuguxulowegata.pdfIn PDF document text
- https://gizaviation.com/uploads/files/begov.pdfIn PDF document text
- http://xn--5dbfbdrd7azav1bcx.com/sites/default/files/file/jejitakifulawep.pdfIn PDF document text
- http://fasson.vip/images/editor/files/15373123821.pdfIn PDF document text
- http://monarchiaerembolt.hu/tmp/pemikefixoretomad.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/voxezezevujafop.pdfIn PDF document text
- https://bonekarusa.com/contents/files/guxakewejosam.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/lumorigejakebononubekolut.pdfIn PDF document text
- http://zkmeiqi.com/admin/ckfinder/upfile/files/gubafi.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/xobatusajugud.pdfIn PDF document text
- https://happyfun.tw/uploads/files/202109140230498192.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/57052584981.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109030329168682.pdfIn PDF document text
- https://familienbilstrup.dk/userfiles/file/28477423858.pdfIn PDF document text
- https://esz.jp/img/editor/files/88667491619.pdfIn PDF document text
- http://101eyewear.com/luutru/files/86823188150.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/waresu.pdfIn PDF document text
- https://phongkhamtamthan.net/uploadeditor/files/92087166465.pdfIn PDF document text
- http://www.themixchange.com/userfiles/files/kufiwixitat.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/161420096983ad---fowoki.pdfIn PDF document text
- http://wenxuezj.com/images/File/mujigumebelotitunivizoxad.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=remove+encryption+from+android+phonePDF link annotation
- 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_off0000e9a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A3 | 10896 bytes |
SHA-256: 9d30cd5ad54035fdea38119d9a04925e4b4c3d0ac3607bdc9d78880e70cc6eda |
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font_01_sfnt_off000102b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B1 | 17620 bytes |
SHA-256: 455a8ba3edffe94396e2c3808a036caa1f260d302e29fa8ba65a083f68cb2225 |
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font_02_sfnt_off000130c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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