MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The PDF contains numerous embedded URLs, many pointing to other PDF files, indicating a link farm designed to obscure the ultimate destination. One notable URL, http://halongbaycruises.org/upload/files/meluvamilugabe.pdf, is part of this farm. While no scripts were directly extracted, the PDF structure and the high number of external links suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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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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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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://halongbaycruises.org/upload/files/meluvamilugabe.pdf In PDF document text
- http://platcometals.com/images/file/67407416130.pdfIn PDF document text
- http://kbchina.de/upload/zijasi.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/gikeda.pdfIn PDF document text
- https://podereilmontaleo.it/writable/public/userfiles/file/36850238939.pdfIn PDF document text
- http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/xirukokujepewoket.pdfIn PDF document text
- http://tanphatinst.com/vietkiendo/upload/file/muvoduro.pdfIn PDF document text
- https://kham.vn/userfiles/file/bexoletujokib.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/lobuxose.pdfIn PDF document text
- http://healthywithhart.com/res/file/wuzibigozowometap.pdfIn PDF document text
- http://nhasachconggiao.com/luutru/files/70073452656.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/6060731498.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/momubulonizoz.pdfIn PDF document text
- http://polletnv.be/uploads/files/72124789279.pdfIn PDF document text
- http://taiwan-tsai.com/upload/files/bagibifigiz.pdfIn PDF document text
- http://pogologistics.com/ckfinder/userfiles/files/vuxazanepopixoze.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/73879022842.pdfIn PDF document text
- https://specialgarden.ro/userfiles/file/lokumalato.pdfIn PDF document text
- http://iwayman.com/uploadfiles/file/210908064627640826bd16ft.pdfIn PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/kagazajuk.pdfIn PDF document text
- http://jgweld18.com/UploadFile/file/20210910143456706.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/73858911958.pdfIn PDF document text
- http://fuyu.010bi.com/ckfinder/userfiles/files/nisesoxupunofasojixix.pdfIn PDF document text
- http://el-master.ru/userfiles/file/pujuwexowanejuj.pdfIn PDF document text
- http://www.lalorraineperdue.com/documents/55498293004.pdfIn PDF document text
- http://novena99.com/uploads/files/202109031049299671.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=gta+v+online+cash+cheatPDF 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_off0000d7a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB3 | 17472 bytes |
SHA-256: 06c342da48fbfef86ea109bee98012789b12d0777a92271ebf6d05aa01d54917 |
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font_02_sfnt_off00011d15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D15 | 10332 bytes |
SHA-256: 9fe968d64f1cb79ef1b8f26d088422ccfcf1d958d0234ef11f9916c1a5ba779d |
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