MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it's a link farm and uses social engineering tactics, specifically the 'ClickFix' method, instructing the user to press Win+R or paste a command. This suggests the document's purpose is to trick the user into executing a malicious command, likely to download and run a second-stage payload. The document body was unreadable, but the heuristics strongly point to a malicious intent involving command execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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 https://ketchas.ru/uplcv?utm_term=wifi+hacker+2.0 PDF link annotation
- https://nergizleryapi.com/image/files/51074612967.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/zobomibogabu.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/56033527334.pdfIn PDF document text
- http://www.celso.org/download/89766365162.pdfIn PDF document text
- http://pizzeriadevita.it/userfiles/files/75640132374.pdfIn PDF document text
- http://www.smpnuenen.nl/images/files/50722590425.pdfIn PDF document text
- http://risorsaterra.it/userfiles/files/xadofus.pdfIn PDF document text
- http://kapalishakti.com/ckfinder/userfiles/files/3405835454.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/8366538662.pdfIn PDF document text
- http://vibrobreaker.com/files/files/xabamezuzoxetigisewulazo.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/gililejosez.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/donowamatobabikupove.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/65937348363.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbddc10830---3839657201.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/75029078636.pdfIn PDF document text
- http://bio86.fr/userfiles/fichiers/xaxamoke.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/80885416942.pdfIn PDF document text
- http://potya.com/dogufeniriwoxowunonagalif.pdfIn PDF document text
- http://ariogalospspc.lt/userfiles/file/12016833259.pdfIn PDF document text
- https://ingatlansos.hu/images/userfiles/file/16618131430.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/95044898326.pdfIn PDF document text
- http://imi.vc/upload/files/7557662043.pdfIn PDF document text
- http://klenderbio.com/upload/files/79654313306.pdfIn PDF document text
- https://lotteppta.com/beta/assets/file/xefubesonokizumotok.pdfIn PDF document text
- http://rovitek.com/userfiles/file/18072549297.pdfIn PDF document text
- http://ballmillfactory.com/d/files/waromefax.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407e6a0733b---wulemu.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_off0000f2dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010aee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEE | 18600 bytes |
SHA-256: 52de690f837e19e1f104e4921dffa6f41764a1729cab3ad89abe0b92ae1b5eca |
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font_02_sfnt_off00013ae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AE2 | 10292 bytes |
SHA-256: 947eb64226146de68c4508c3cc9ecb2699e3fe230eeee0a0e461a11618e67897 |
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