MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document contains numerous links to disposable hosting, likely to obscure malicious destinations. The embedded URLs point to various domains, many of which are unknown, increasing the suspicion of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://scbczy.cn/up_files/file/20210905_140433.pdf In PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79782761268.pdfIn PDF document text
- https://renewone.de/files/8223994543.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/kelalifafudilekawewovaji.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/368fbf3bf80fbf10834083d2d276f404/naromasokatuki.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tekenik.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/u0c90e87lsv257uo6lhdkicdtq/donevigojabu.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/pekusilaxukumob.pdfIn PDF document text
- http://studiopol.it/userfiles/files/42267318887.pdfIn PDF document text
- http://latiendasegura.com/contable_prueba/userfiles/file/3469331829.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/bilowa.pdfIn PDF document text
- http://gps-tw.com/CKEdit/upload/files/lugepaxosaninebomuxer.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109080437115791.pdfIn PDF document text
- http://emannsltd.com/userfiles/99941814007.pdfIn PDF document text
- https://meritumptt.pl/dokumenty/file/16113559.pdfIn PDF document text
- https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/33089670826.pdfIn PDF document text
- http://sowa-architekci.pl/userfiles/files/vesevefimefiv.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/gujesufinajogovuwo.pdfIn PDF document text
- https://ontech.vn/images/ckeditor/files/1461114204.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/sixewid.pdfIn PDF document text
- https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/sopizapafozosuladuvunov.pdfIn PDF document text
- https://aymfly.com/aym_image/files/vekidenob.pdfIn PDF document text
- http://ff-engineering.com/userfiles/files/53064118406.pdfIn PDF document text
- https://mayphoviet.com/media/ftp/file/mepefiseverelupatupefi.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/zodiwomupuwogete.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=clean+equalizer+%26+bass+booster+pro+apkPDF 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_off0000cbd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD6 | 17660 bytes |
SHA-256: e41f093cc904fe0e170907aff7842f4abaf776b28a9411352604e4bdeb39772d |
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font_01_sfnt_off0000f9eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11202 | 10052 bytes |
SHA-256: ad260538e73d6a6e195d0ba5fcf2bd0239ae5e90f4864e0bed8c38baf6673e82 |
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