MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this is a phishing or trojan delivery mechanism. The presence of embedded JavaScript points to its use in exploiting PDF vulnerabilities or delivering malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://irlanc.ru/uplcv?utm_term=the+five+dysfunctions+of+a+team+free+pdf PDF link annotation
- http://kompletucetnictvi.cz/files/file/31080441271.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021090604275134.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/zinaxoxotereb.pdfIn PDF document text
- http://sgo-bage.com/public/files/files/74883185082.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/44739881320.pdfIn PDF document text
- https://sunpower.lv/ckfinder/userfiles/files/mevisujexotolakopokotug.pdfIn PDF document text
- http://andlupa.com/userfiles/file/29213589040.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/40638441033.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/52870441461329ae5c0db5.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/97289427301.pdfIn PDF document text
- http://all-vehicle.net/js/upload/files/83868626689.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/78892532093.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/bezifusidenalaxiveku.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/rileduvudenisubotosozaw.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/43167293014.pdfIn PDF document text
- http://turinimoti.com/assets/userfiles/file/87929767972.pdfIn PDF document text
- https://majubesar.com/contents/files/99707017174.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1613c39597dc13---80744392155.pdfIn PDF document text
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/puzenonedapuwixomu.pdfPDF link annotation
- http://stroi-sistema.ru/img/53457728860.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/44949006634.pdfIn PDF document text
- http://coumert.com/images/file/mexidefugi.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_off0000b5f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE09 | 11084 bytes |
SHA-256: 750a45fb57e60cb2eef31a06b2fd7b411cd24d517fa1534e44aef32966c16126 |
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font_02_sfnt_off0000e7bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BF | 15812 bytes |
SHA-256: 0b586383429aacf069032d9ef5f2df3e3ab953881465b3d33bbe99babe5b8e16 |
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