MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to a link farm, suggesting an attempt to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate structure designed for obfuscation and distribution of multiple malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 5
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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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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://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/10810580007.pdf In PDF document text
- http://n2nlah.org/UserFiles/file/fexulugil.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/jorofuzasofurowabiwam.pdfIn PDF document text
- http://esipro.lu/userfiles/file/mafamosajixodavoj.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16132d2e01b0f7---86169505992.pdfIn PDF document text
- https://5a.ro/ckfinder/userfiles/files/70023295292.pdfIn PDF document text
- http://tzoetemondje.be/uploads/files/galakezaz.pdfIn PDF document text
- http://my-hustle.net/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/27832178879.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/narezeworukuvasoso.pdfIn PDF document text
- https://telorgabus.com/contents/files/43762332553.pdfIn PDF document text
- http://redigonda.it/userfiles/files/davajibutomasavarurelupid.pdfIn PDF document text
- http://cnmrobotics.com/files/files/8441663031.pdfIn PDF document text
- http://quanhoangtsi.com/upload/quangtri/files/zuliritaligiresikel.pdfIn PDF document text
- http://fgsconsulta.com.br/ckfinder/uploads/userfiles/files/bovixu.pdfIn PDF document text
- https://zhansq.cn/upload/file/82821211933.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/jamiparitirobeduxogu.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161391c2e5a95e---kegunojogekotukexe.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/1018817716.pdfIn PDF document text
- http://newkontakt.ru/userfiles/images/file/46945177283.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/94298151776.pdfIn PDF document text
- http://sjanzee.nl/file/fiveniwexu.pdfIn PDF document text
- http://hoanggiaphatstone.com/upload/files/vosigimewizuka.pdfIn PDF document text
- http://finara-v.com/file_media/file_image/file/18069119174.pdfIn PDF document text
- http://coolscape.info/images/files/1434275204.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=happymod+install+pcPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f63e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63E | 10548 bytes |
SHA-256: f5702a9dc7651c05af1e2316ccefd9297e97dc2ec5e5c34a4788eb8b313e9b97 |
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font_02_sfnt_off00010e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E39 | 20176 bytes |
SHA-256: 834447b1ba26077164eb1bd68e8176664d4c351b56bcc6666dafe3d7e4647fc2 |
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font_03_sfnt_off000142b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142B6 | 16064 bytes |
SHA-256: f76835efc0f70b52b211676925d3c3919e6952eec6cd10f320d1ab287c5fabf2 |
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