MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a PDF link farm with numerous external URIs, suggesting a phishing or malware distribution lure. The document body was unreadable, but the presence of many embedded URLs points towards an attempt to redirect the user to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/82460416494.pdf In PDF document text
- http://neodentpetrosino.it/userfiles/files/rebamerujoxomokerepok.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/pizaxakopoz.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/bifunofogefitewuvixewez.pdfIn PDF document text
- http://wsp.pl/userfiles/file/gejoxafixusixeluziburaxi.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/tuwavupubugamexagutatanib.pdfIn PDF document text
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/79290325780.pdfIn PDF document text
- http://tns-china.cn/editor_upload_image/file/15906502962.pdfIn PDF document text
- http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/15993287400.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/zudojilevutolowe.pdfIn PDF document text
- https://history.tlshaa.org.tw/ckfinder/userfiles/files/wifekadugewumixekimigizu.pdfIn PDF document text
- http://girc.ncue.edu.tw/ckfinder/ckfiles/files/5526781214.pdfIn PDF document text
- http://cheliabinsk.realxenon.ru/uploads/files/81137676902.pdfIn PDF document text
- http://jeykrishnaclub.com/images/file/69063410114.pdfIn PDF document text
- http://lukoilmarine.com/ckfinder/userfiles/files/tunatidirapekef.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/tonuzawapewifabuvazedo.pdfIn PDF document text
- https://brazilairporttransfers.com/ckfinder/userfiles/files/ropimuretidajosubo.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/86178751028.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/8853884352.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/26996630640.pdfIn PDF document text
- https://sesconbs.org.br/ckfinder/userfiles/files/satubidoruwewipudo.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/9a2cc729df77da0c7b2d966547822835/nazawiduzijuvumiwabigep.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/dumoradojifavelasu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=read+qr+code+from+image+iosPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365ebac1c42---denezajuzegujasiv.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_off0000e1b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B4 | 10760 bytes |
SHA-256: e4765b351ac63d87444dfe584120bdc5526d3afecfeb3fbf2a0041899797db78 |
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font_01_sfnt_off0000f9e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E6 | 17260 bytes |
SHA-256: 033a2da7cdaf5e37c023655c719e8ce632f8948afdd48348cb60dc40cba82125 |
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font_02_sfnt_off00012695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12695 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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