MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. This script likely redirects the user to external URLs, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the presence of numerous URLs. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://gzxmbx.com/uploadfile/file/2021100410501373499.pdf In PDF document text
- http://saeronbio.com/userData/board/file/58454587110.pdfIn PDF document text
- https://nguoixunghekiev.vn/userfiles/file/40372087636.pdfIn PDF document text
- http://marketingnews.fr/images/file/mawuzav.pdfIn PDF document text
- http://alvitraders.com/files/26179420082.pdfIn PDF document text
- http://mtcongnghiepxanh.com/upload/fckimagesfile/26105576693.pdfIn PDF document text
- http://ipllaser.in/uploads/roruvurasijumuliropefi.pdfIn PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/kinerikanake.pdfIn PDF document text
- https://brazilairporttransfers.com/ckfinder/userfiles/files/92050853016.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210920_9A5C38BC217D7AEB.pdfIn PDF document text
- http://xn--h1aeekk.xn--p1ai/files/file/82048024802.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/66514719159.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/xawanitup.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/2a0832ed0558711c45e3742ad2365411/21718089886.pdfIn PDF document text
- http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/xekulumoxuloxeto.pdfIn PDF document text
- http://halaljones.com/uploads/files/ligezujupowazotejikewiz.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/xotexoxusuzubo.pdfIn PDF document text
- https://globaldreamindia.com/webcms/file/89056713445.pdfIn PDF document text
- https://ecosolar-energy.com/piceditor/file/13845583294.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/8877277378.pdfIn PDF document text
- http://mastervgtour.by/var/upload/file/24823503365.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/38336267288.pdfIn PDF document text
- http://www.nagsa.es/ckfinder/userfiles/files/32746685293.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/17507181164.pdfIn PDF document text
- http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/kujitadimufofiw.pdfIn PDF document text
- http://harlit.com/ckfinder/userfiles/files/20210913_192639.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=indian+journal+of+forensic+medicine+and+toxicologyPDF 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_off0000e948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE948 | 18444 bytes |
SHA-256: c8f3241ef7b5220afae68123d72504bf6afcaa6211c1a57e52cd4b81cc84cc80 |
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font_01_sfnt_off0001194a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1194A | 11216 bytes |
SHA-256: 5a26b5cea4a2854c3da8005f47df8b66178b9ef6be0b6ccc73651f642a9c0e49 |
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font_02_sfnt_off0001335e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1335E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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