MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_CLICKFIX' heuristic suggests the document attempts social engineering by instructing the user to execute commands, likely to bypass security measures and download further payloads. Multiple external URLs were extracted, indicating a potential distribution or redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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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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://catamma.ru/uplcv?utm_term=use+phone+as+nfc+reader+pc PDF link annotation
- https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/pisobifowigawopujufemo.pdfIn PDF document text
- http://adbuilder.at/ckfinder/userfiles/files/pozipeliw.pdfIn PDF document text
- http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/25638239597.pdfIn PDF document text
- http://hongphuc.vn/userfiles/file/dusanufosagipelusimas.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/dokosuluwa.pdfIn PDF document text
- http://aescantabria.es/upload/fckeditor/file///20873789629.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/ruxelewixidosabivasusos.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614824229ac4b---sitarepero.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/96103910667.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/5931405909.pdfIn PDF document text
- https://abhrian.com/userfiles/files/jatafomesajovadime.pdfIn PDF document text
- http://sergeisurzhin.ru/ckfinder/userfiles/files/7197857850.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/xefom.pdfIn PDF document text
- https://praktijk-fix.nl/userfiles/image/file/53355804722.pdfIn PDF document text
- http://plantessentialoil.com/upload/files/29990759309.pdfIn PDF document text
- http://dr-temt.ru/images/file/lixugovosadojotowugolunu.pdfIn PDF document text
- http://feldbach-tourismus.at/files/33918128787.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/vowus.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613d602276c46---43241313394.pdfIn PDF document text
- http://telegid.tv/userfiles/file/mejale.pdfIn PDF document text
- http://savalis.ru/userfiles/file/55714445730.pdfIn PDF document text
- https://bor-diing.com/upload/files/litinibe.pdfIn PDF document text
- http://travelcenterpuntos.com/campannas/file/33523645711.pdfIn PDF document text
- https://tch.lu/files/files/vabuxufip.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_off0000c8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D4 | 10488 bytes |
SHA-256: 353df585a68cb51c5e176e7eca91e285b67119034427dec92caf2af102daffd4 |
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font_02_sfnt_off0000f89b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89B | 16908 bytes |
SHA-256: 1a814177def601de44a932d06a80a6b106a6b641653aa74c9c375ce683c8ae04 |
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