MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. The presence of JavaScript actions and a 'Password-protected archive handoff' heuristic strongly suggests the document is designed to deceive the user into providing a password, likely to decrypt and execute a secondary payload. The numerous embedded URLs, many pointing to PDF files on unknown domains, further support a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://thanaclusterwestgate.leaddeehub.com/userfiles/files/gafaburanakovodox.pdf In PDF document text
- http://nissanotogovap.vn/uploads/images/files/59113858480.pdfIn PDF document text
- https://petribax.com/userfiles/file/wavezunox.pdfIn PDF document text
- http://www.clc-engineering.com/siteuploads/editorimg/file/47827364668.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2ld1o7tt867ulcb5g4jlf5e1f6/64169559641.pdfIn PDF document text
- https://taxfirma.com/userfiles/file/64356116463.pdfIn PDF document text
- https://datatalk.ilvzhou.com/upload/files/2021/09/202109240813163531.pdfIn PDF document text
- https://hobbes-group.com/upload/files/41395654438.pdfIn PDF document text
- http://nemochem.cn/upload/files/47744486605.pdfIn PDF document text
- http://cokhihoangvinh.com/uploads/userfiles/file/88615518912.pdfIn PDF document text
- https://sino-islam.com/upload/file/281742331519.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/89097317777.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/77498497908.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/xijeravumululerefo.pdfIn PDF document text
- https://bleikss.com/userfiles/file/mujevupijokefutiguzifujeg.pdfIn PDF document text
- https://telechips.com/ckfinder/userfiles/files/tovulilopen.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/robatox.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/bedivomamukapividoduzi.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/femopenepagoletijozola.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/57526710882.pdfIn PDF document text
- http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/74037026954.pdfIn PDF document text
- http://progetec.org/userfiles/files/fovasigesojeviganim.pdfIn PDF document text
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/38683168490.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+pass+bitmap+image+from+one+activity+to+another+in+androidPDF 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_off0000b19b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB19B | 11420 bytes |
SHA-256: 3631bd7f784777c66217c05fa4927819b4d17cafd229dd3e783d52d264c97bab |
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font_01_sfnt_off0000cc04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE416 | 19232 bytes |
SHA-256: 9df59fac22c048d965b15b3e4944f26436a25b793b1b88ae7ed166ef0c953a76 |
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