MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. The 'SE_CLICKFIX' heuristic indicates a social engineering attack that instructs the user to press Win+R or paste a command, a common tactic to bypass macro restrictions and execute arbitrary commands. The embedded URL `https://seumenha.ru/award?keyword=how+to+add+text+to+a+pdf+file+windows` suggests a lure related to document manipulation, potentially leading to a phishing or malware download site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://seumenha.ru/award?keyword=how+to+add+text+to+a+pdf+file+windows PDF link annotation
- https://static.s123-cdn-static.com/uploads/4485942/normal_6003275aebbb7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487663/normal_602da439e9cad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367621/normal_6032310fe0428.pdfIn PDF document text
- http://mitutepoka.medianewsonline.com/86349108180.pdfIn PDF document text
- http://wotukujis.sportsontheweb.net/54444233162.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405644/normal_604acf4a564f7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nabotiwufonego.epizy.com/42926603740.pdfIn PDF document text
- https://f45985d3-969e-4a4b-a16b-f92b7c881388.filesusr.com/ugd/20da2d_89fb067c96e14c3b9e0a8516310ff0b0.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tigewibejageju/wugilanenoxokasisuvif.pdfIn PDF document text
- https://s3.amazonaws.com/fejenijovekozu/dubiwud.pdfIn PDF document text
- https://d7b50aa0-fea3-4edc-ba9e-4ed0094b0c60.filesusr.com/ugd/7f614e_04b42aa98a6640508217afadb8df3d52.pdf?index=trueIn PDF document text
- http://ziperajotuvap.rf.gd/lagu_akmu_sailing_album.pdfIn PDF document text
- https://99516632-72ce-40f3-a9a1-a01c91361c65.filesusr.com/ugd/e42c35_b620da0e99fa4657ac96ec02307bb428.pdf?index=trueIn PDF document text
- https://e9593579-f51f-4dc6-af55-2543ab512b45.filesusr.com/ugd/37952c_7b86efacdef74044a1abddf03b018001.pdf?index=trueIn PDF document text
- http://bimitev.epizy.com/jerik.pdfIn PDF document text
- https://s3.amazonaws.com/gewuwasi/convert_encapsulated_postscript_to.pdfIn PDF document text
- https://f50ece36-1901-4a7b-9396-968a400df7f4.filesusr.com/ugd/3ecb95_e1922370f3bd430fb71f39dff8e3675d.pdf?index=trueIn PDF document text
- http://bireses.rf.gd/dadetibibesuwexorakajaxa.pdfIn PDF document text
- https://80172413-d145-4b71-b7cf-4a007d76ad29.filesusr.com/ugd/cacfd7_512f7bab73af4e5889f7c814a34cbf7b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wupiwupiwot/primary_school_admission_form_sample.pdfIn PDF document text
- https://s3.amazonaws.com/nazekisigiduz/dell_latitude_5400_i7-8665u_specs.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE000 | 5060 bytes |
SHA-256: c7037b53402e38786d22cf616e4608332e437cfb412bc9065752575e425d7356 |
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font_01_sfnt_off0000f164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF164 | 10812 bytes |
SHA-256: 25ab863efb9907600b6f49651416e0524eabe9f793dd5a0e996e3e78c86d2546 |
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