MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files, many hosted on disposable domains, and a specific URL pointing to a 'pdf password remover'. This, combined with the 'SE_PASSWORD_ARCHIVE_LURE' heuristic, strongly suggests a phishing attempt where the user is directed to download a password-protected file, likely containing malware. The ML classifier and ClamAV detection further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://cructi.ru/uplcv?utm_term=pdf+password+remover+without+password+online PDF link annotation
- http://prmakeup.com/Image/files/pifodebuzulur.pdfIn PDF document text
- https://doitoutdoorz.com/file/Kecq4O746mYf7H5O.pdfIn PDF document text
- http://tuivaivietnam.com/uploads/files/rozogu.pdfIn PDF document text
- https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/62673572206.pdfIn PDF document text
- http://softtox.com/new/userfiles/file/kusafanupukofix.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/tazopalizafakepakal.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/gixejipukunozasa.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/45746496254.pdfIn PDF document text
- http://rsentco.com/upload/file/80223133893.pdfIn PDF document text
- http://1day2night.com/UserFiles/file/53027425022.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/kebitexedeget.pdfIn PDF document text
- https://ideylia.fr/uploads/file/sazenuleladugabalo.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/jurirenejakew.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/figejo.pdfIn PDF document text
- http://isvpro.com/custom/files/11311878818.pdfIn PDF document text
- http://domosplast.hu/files/file/57795444527.pdfIn PDF document text
- http://salonorganica.ru/upload/files/wibuxi.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f1863583d---vanalanufejemugok.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/87197607194.pdfIn PDF document text
- http://doanandieuduong295doson.vn/namthuan/images/news/files/jerorulupiwapiberux.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/rifitav.pdfIn PDF document text
- http://schokobrunnen.com/idata/zidototo.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/votojodojuvezunetog.pdfIn PDF document text
- https://capital-publishing.com/ckfinder/userfiles/files/nenaxejinupoxubava.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/b4c061ca78cbff09b8dc3c3643f8f54e/doxusi.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_off0000da93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A5 | 16836 bytes |
SHA-256: f9561df895d480ad519b72cb76a83cd6d84d9e74a04da82b5faa7a89c48f897b |
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font_02_sfnt_off00011e01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E01 | 11016 bytes |
SHA-256: e197256632bb22ef04d203288e4a47bc0feb441b9d915dcdf68cd2417526716f |
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