MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and external URIs, indicating a malicious intent to deliver a payload. The heuristics suggest a phishing lure related to account termination and a password-protected archive, commonly used to bypass security gateways. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77184816985.pdf In PDF document text
- http://physio-praxismitte.de/userfiles/joxemajowopamivafupebu.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/kozemogumumeta.pdfIn PDF document text
- http://globalcenterhotels.com/bot/ckfinder/uf/files/92677726089.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/dutifegugebi.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131732cbe230---vajadi.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/73733734049.pdfIn PDF document text
- http://lafiestadelmoto.cz/files/file/63367025750.pdfIn PDF document text
- http://ccadl.com/files/20210904200439.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/1381175797.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/mr9gjhb6k93bqoh85as7vvs0c1/49413958454.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/wedan.pdfIn PDF document text
- http://nigerseedindia.com/uploads/51943938422.pdfIn PDF document text
- http://sdds.be/userfiles/file/dojatenabekuwanedize.pdfIn PDF document text
- http://essentielles-theater.de/UserFiles/File/jipofujetituk.pdfIn PDF document text
- http://dsagco.com/Upload/file/midibeg.pdfIn PDF document text
- https://interconformity.ro/images/file/lolozilinok.pdfIn PDF document text
- https://patc.fr/imagesfile/41006935689.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/zutomuzuzigobelofovi.pdfIn PDF document text
- http://rspon.pl/images/wyswig_images/file/36589028666.pdfIn PDF document text
- https://goldgreiner.de/userfiles/file/luzimiki.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/nezopotimuje.pdfIn PDF document text
- https://la-klamm.org/Files/files/lukapulovaziwovexaxatosa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=expired+pdf+unlockPDF link annotation
- http://irodori.kir.jp/files/file/zovulijimufigavegebuxefaf.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_off0000d091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD091 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A3 | 18504 bytes |
SHA-256: 9f6241284b85ad9772ff36757f962a4781f497fede112d6ae25a3df0bbf263b8 |
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font_02_sfnt_off00011908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11908 | 10464 bytes |
SHA-256: 08cb9d77ecc2df826bd3e1c7ab00a8dffebba696cb0a06302cf05208d8ddde23 |
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