MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1059.007 JavaScript
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous external URLs, suggesting it functions as a link farm or a lure for phishing. The heuristics indicate a 'Remote-support tool lure' and a 'QR-code redirect lure', implying the document's content likely directs users to install or connect with remote support tools or scan QR codes, common tactics for social engineering. No scripts were extracted from this sample, but the presence of external links and the nature of the lures strongly suggest an intent to trick the user into further interaction with malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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 https://chcial.ru/uplcv?utm_term=control+ipad+with+android PDF link annotation
- http://4reality.cz/userfiles/files/fadunanapibi.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613661ce98778---27444267052.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/9497601508.pdfIn PDF document text
- http://kd-council.com/upfile/files/34752427119.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/zimuxukagotop.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/50357618711.pdfIn PDF document text
- https://biorenta.lt/ckfinder/userfiles/files/83906928698.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/zezumek.pdfIn PDF document text
- http://ciba.lv/uploaded/file/tebivakajumuzedikopodasal.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/natomatasatinubovakebo.pdfIn PDF document text
- https://biocoils.com/img/file/12076221314.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148db644640f---sufubiweratu.pdfIn PDF document text
- http://amsaneeraus.fi/userfiles/files/koxamugalon.pdfIn PDF document text
- http://1-champagne.com/blog_images/blog_/file/63898042127.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/88028663339.pdfIn PDF document text
- https://hotelite.in/userfiles/file/pejalumogij.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/fodipazuvejorodofeko.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/29667578566.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/48764738443.pdfIn PDF document text
- https://balajihighfields.in/userfiles/file/fisokodenotedowutuno.pdfIn PDF document text
- http://cdkuysuujk.handysociality.com/upload/files/26077978384.pdfIn PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/xajoxorosufonibebame.pdfIn PDF document text
- https://senesi-sklad.cz/userfiles/file/ruwaxezajozalipenur.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/59094120463.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_off0000d8a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B8 | 10308 bytes |
SHA-256: 0a9a834aecc36734d8dd8f5ccca39988f60032a2e2b662a76c282c6a0b7096cc |
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font_02_sfnt_off000107de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107DE | 18292 bytes |
SHA-256: 94e6f886570169d18b0d3888129e0f4441d553f1563a41c499dd341894e17d47 |
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