MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, including one pointing to a raw IP address, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly support this assessment. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://cructi.ru/uplcv?utm_term=for+a+while+synonym PDF link annotation
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/0d16252a80d880ffdc53387500d2631d/72338442591.pdfIn PDF document text
- http://geoodwierty.pl/files/file/41788174387.pdfIn PDF document text
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/85762052582.pdfIn PDF document text
- https://liho.cz/UserFiles/File/dolajegotu.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021091403575824.pdfIn PDF document text
- http://burningspearmarketplace.com/js/ckfinder/userfiles/files/fotubuvabexuvopapipudavum.pdfIn PDF document text
- http://www.puhito.hu/uploads/fovubuwiw.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/19521534137.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/lomamewiravojolexadelazot.pdfIn PDF document text
- http://zhuoxinlaw.com/userfiles/file/20210914192529_1195259678.pdfIn PDF document text
- http://bursaceyizgelinlik.com/images_upload/files/vuzegorilulezijaxiwugasoz.pdfIn PDF document text
- https://lecormier-menuiserie.com/www/upload/files/jelolebezajutanupusoxom.pdfIn PDF document text
- https://sentralperdana.com/file/26055641416.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/popuwukusafixokufajono.pdfIn PDF document text
- https://clinicamanila.com/ckfinder/userfiles/files/18447560706.pdfIn PDF document text
- http://strandedtattoo.net/file/9094395300.pdfIn PDF document text
- http://gearcon-eng.com/file_media/file_image/file/46780432904.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16140ea45b5ce3---61285665369.pdfPDF link annotation
- http://bsp-oblspl.org/ckfinder/userfiles/files/87290538128.pdfIn PDF document text
- http://hanyangsteel.com/files/fckeditor/file/18769993446131783b778eb.pdfIn PDF document text
- http://vit-physio.de/file/kofuni.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc1dcd0e49---89178968501.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_off0000d195.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD195 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e9ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AC | 10452 bytes |
SHA-256: 974a74cd085b53459928f900dfa11b08f636c12e0472de05df885eb197fad056 |
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font_02_sfnt_off0001012f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012F | 17600 bytes |
SHA-256: 1fe869b6236a77ced97ec0ee7daf9a8648ae67ad46d2b82b2b8156629ddfbafd |
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