MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains, indicating a link farm designed to obscure the true destination. The presence of a visual download button and the ML classifier's high confidence score suggest a malicious intent to trick users into downloading further payloads or visiting phishing sites. The ClamAV detection further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://architettosbaffo.com/userfiles/files/lobinategapizozarowajuru.pdf In PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614167cee5813---zafetaruvafad.pdfIn PDF document text
- http://glampingcaravan.com/userfiles/file/20210914164917.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/7624344474.pdfIn PDF document text
- https://spacio.hk/attachment/file/sagovijazivelulevemewi.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/20713837251.pdfIn PDF document text
- http://kasintorn.com/images/upload/files/rejavi.pdfIn PDF document text
- http://z-him.ru/userfiles/file/pemuxeririkadozo.pdfIn PDF document text
- http://solo-reisen.com/media/images/file/48280732204.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/80129399528.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613765c97ae4f---36041767994.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/56773229408.pdfIn PDF document text
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/xikugebevawirugev.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/kudugowe.pdfIn PDF document text
- http://park-seversk.ru/other/js/ckfinder/userfiles/files/sebejomurejiputuwarudipa.pdfIn PDF document text
- http://trips-in.com/ckupload/files/veritivakixenoniki.pdfIn PDF document text
- https://chiuman-hk.com/images/file/raxikeridumoburuxelufap.pdfIn PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/jupobirejejufe.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/wutuzuxalagorasow.pdfIn PDF document text
- http://gsemilia.it/userfiles/files/wilirawulevavovujupe.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/fidenawizojomomeziwuxoget.pdfIn PDF document text
- http://plafondchauffant.fr/img/user/file/votuxagufiru.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/4845616097.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=chrome+to+tv+castPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/bepotujevusabujo.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_off0000d7c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C6 | 10348 bytes |
SHA-256: bbbc3a0f883a560b16bd4246a0ba6f0c3f2a997ded9559892e5e2102a35bf1c2 |
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font_01_sfnt_off0000ef44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF44 | 17892 bytes |
SHA-256: 62118dbb02663db5748a3e261ebbc8de72c6db0ba028071aef04a96cda6fe360 |
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font_02_sfnt_off00011dd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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