MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, with a high-severity heuristic indicating a password-protected archive lure. This suggests the document's primary purpose is to trick users into decrypting and opening a malicious archive. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware delivery attempt, likely using a technique such as Spearphishing Attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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 http://www.ctnphrae.com/ckfinder/userfiles/files/nelixojidugekodesepudi.pdf In PDF document text
- http://iburgisidimarsala.eu/userfiles/files/mosukojefido.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/39599074678.pdfIn PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/fozupewezeviwodur.pdfIn PDF document text
- http://stagelight.pl/userfiles/files/mowipajojasin.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/wagesijodevuv.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/6c26bbcaf6a32153b0ee4475f82222d4/57670141492.pdfIn PDF document text
- https://fabriziochessa.it/userfiles/file/desulazakitapivijedezogud.pdfIn PDF document text
- http://lejuriste.ru/files/file/50325795687.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/vawixifu.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/jifomenanofetejirutevegen.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210910093836.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/46594187387.pdfIn PDF document text
- http://xn--j1aii.su/userfiles/file/98536308151.pdfIn PDF document text
- https://shinko-tw.com/UserFiles/file/watobususuzofabididos.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/ponatukuzi.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/nagenasat.pdfIn PDF document text
- https://unicon-msk.ru/data/files/lomubebu.pdfIn PDF document text
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/dafuxuzada.pdfIn PDF document text
- https://khoahoc.timviec365.com/picturesfiles/fidosexosemiwa.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210914005534.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/kiwagojerodibifefogegul.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/17095361723.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=mi+phone+factory+reset+passwordPDF 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_off0000c7c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7C5 | 10864 bytes |
SHA-256: 35fae203ad32cadbaacdde1503fbedb749916103f4ccfcd9e810347ffbe0df2d |
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font_01_sfnt_off0000e0ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0EF | 17420 bytes |
SHA-256: c74c2374c3d379acad4a8f8fa6fe80e40e7c66cdcca45209528f4e7db346c2fb |
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font_02_sfnt_off00010e29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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