MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of external URIs and a 'download button' lure suggests the document is designed to trick users into downloading further malicious content. The heuristic 'SE_LOLBIN_RUN_COMMAND' indicates the document may attempt to execute commands, potentially leveraging embedded scripts or exploits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://arabadvertise.com/userfiles/files/4100391950.pdf In PDF document text
- https://projekt-lesen.de/userfiles/file/wukirofoxosora.pdfIn PDF document text
- http://naturalwonders.com/uploads/files/lilovafatewut.pdfIn PDF document text
- http://wangguanhardware.com/userfiles/file/52915774997.pdfIn PDF document text
- http://yibetter.com/data/files/nesefaruvifozotuxarexokol.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3a2535392---sezedobikolivuded.pdfIn PDF document text
- http://seoaudytor.pl/userfiles/file/47779373850.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/tenukerukekudasepumepubo.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/53684606703.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/lenejixim.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/48493095514.pdfIn PDF document text
- http://qdcmd.com/data/files/zivefipi.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/96671201441.pdfIn PDF document text
- http://xaydunglenguyen.vn/upload/files/be1fa3.pdfIn macro / runtime command snippet
- https://xyoaa.org/sites/default/files/files/xofesusimolinekomoze.pdfIn macro / runtime command snippet
- https://clicksnepal.grnca.org/img/files/files/22770991306.pdfIn PDF document text
- http://perilatomsk.ru/ckfinder/userfiles/files/nagomupexakewekesasafufaw.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/20016304086.pdfIn PDF document text
- http://wolfpackbasketballacademy.com/content_docs/86758127304.pdfIn PDF document text
- https://xn--z4qq44i.tw/upload/actfiles/84438920106.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cee0d37186---80831171559.pdfIn PDF document text
- http://artpolinakuzina.ru/piIn macro / runtime command snippet
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=celine+dion+mp4+downloadPDF link annotation
- 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_off0000c98e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC98E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e1a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A0 | 19912 bytes |
SHA-256: 39a5995af382ddfb0faef1e64d333770afd8607d18b0ba241000084f9c5d7ee2 |
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font_02_sfnt_off00011592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11592 | 10384 bytes |
SHA-256: 0112a563e7d0150e089cca3255488322f7fa1c69e409c3caf798eef75b9ec89e |
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