MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs, many pointing to PDF files, suggesting a redirection or download lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to evade gateway scanning. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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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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://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210910205325.pdf In PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/wamapamubabesu.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/sufoxavoxibosit.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50328813598.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/171918082941.pdfIn PDF document text
- https://sreekanakananda.com/ckfinder/userfiles/files/48462603079.pdfIn PDF document text
- http://nenayu.com/filespath/files/20210912225913.pdfIn PDF document text
- https://arhstroi.by/uploads/files/51560291423.pdfIn PDF document text
- https://kede.org/userfiles/file/2605293855.pdfIn PDF document text
- http://studiolorenzino.eu/userfiles/files/1416027921.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ba95055425ea8a37bb9f6baaa89e559a/74750436274.pdfIn PDF document text
- https://dukeofmarshall.com/ckfinder/userfiles/files/46187636337.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/govazenexasuturupizo.pdfIn PDF document text
- http://mpti.ru/userfiles/file/mopikotifagogexatu.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/lazoxefativ.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/sexoti.pdfIn PDF document text
- https://limblength-sldf.com/userfiles/file/70537624462.pdfIn PDF document text
- http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/15486832516.pdfIn PDF document text
- http://ride-on-earth.com/images/blog/file/92684610106.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/161305f0c337fa---gitenamikurapeg.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/xigibikomakorugirawan.pdfIn PDF document text
- http://vasekurzy.cz/userfiles/file/kefivibapamanavizes.pdfIn PDF document text
- https://rumusjitu.com/contents/files/53144421063.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/ruwezefuniropax.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+see+pics+in+instagram+private+accountPDF link annotation
- http://e1pl2.nazwa.pl/busy/fotki/file/takujivogarebawodejudexu.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_off0000dd90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD90 | 18204 bytes |
SHA-256: 1b1da1be2eac802e21432aa6e51f5a9f066742d64dff0f054a1b8e09a117dcce |
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font_01_sfnt_off00010c7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C7C | 10916 bytes |
SHA-256: 920db47d0e9a42762157d43871158dd8d400cdaa34d704e79f2824c905698eae |
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font_02_sfnt_off000125d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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