MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URLs, many of which are disguised as downloadable files, suggesting a phishing or malware distribution attempt. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document may be instructing the user to open a password-protected archive, a common tactic to bypass security filters. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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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://medvor.ru/uplcv?utm_term=pubg+mobile+highly+compressed+50mb PDF link annotation
- http://olsztyntransportmedyczny.pl/userfiles/file/xaretakirirejidapatera.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/gifenetaxenidifumudixev.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/87704669029.pdfIn PDF document text
- http://tchid.net/userfiles/file/89038186163.pdfIn PDF document text
- http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/gixasobebunuzen.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/92144065497.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/79285895868.pdfIn PDF document text
- https://lyubomiradineva.com/files/file/gobokogivuve.pdfIn PDF document text
- https://bunian-co.com/other_files/File/latezafizew.pdfIn PDF document text
- https://pcetravel.com/files/file/zisefijizemaxozosabaz.pdfIn PDF document text
- https://pmms-online.com/assets/file/21771895129.pdfIn PDF document text
- http://dalaichau.com/files/72852032777.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/16903779797.pdfIn PDF document text
- https://digireg.nu/upload/mirezapetixepu.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/rawatizesidotugawe.pdfIn PDF document text
- http://arcstema.com/userfiles/files/6127304313.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109081054046522.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413899443f2---22592755400.pdfIn PDF document text
- http://tieulongcopro.com/luutru/files/33773055521.pdfIn PDF document text
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/33050558504.pdfIn PDF document text
- https://goodline.by/userfiles/file/nilafuzesofojipibezafe.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/gutofopivoguvok.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/besiwuvepexugiwix.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/patodeda.pdfIn PDF document text
- https://nordiskvillaventilation.dk/userfiles/file/mupupatelamidazu.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_off0000e6a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A7 | 11208 bytes |
SHA-256: be3c6adb604533a54cb3203fb6c11ea838ff27b68727b372e56e54e50ef06f54 |
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font_01_sfnt_off00010075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10075 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11887 | 18224 bytes |
SHA-256: f4085f6bfb71a1f370e7dc6cce3d17defe6ee657a9f07a34f0d11eb4eb926038 |
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