MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that contains embedded JavaScript, which is often used to initiate malicious actions. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to open a password-protected archive, a common tactic to bypass security filters. The presence of numerous external URIs, many pointing to PDF files, suggests a link farm or redirection mechanism to deliver a secondary payload.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://penzionradvanice.cz/res/file/44008591939.pdf In PDF document text
- http://www.sec-ollivier-associes.fr/www/upload/file/45348854590.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/riboguvizesavijubo.pdfIn PDF document text
- http://urduhadith.org/survey/userfiles/files/55311834830.pdfIn PDF document text
- http://keitbg.com/images/files/54272221052.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/tuwufimagigujujikegexi.pdfIn PDF document text
- https://globaltranslation.com/demo/global_translation/beta/userfiles/files/sevejurenimutamos.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ef3025159---golujulukuw.pdfIn PDF document text
- http://chamdure.com/DATA/files/wesun.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/19099241878.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/92592702770.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///88973545986.pdfIn PDF document text
- https://kratky.eu/files/file/tojelanimewuxaxapamidem.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/dukotobizosuvukekila.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/besezalowamasiroroza.pdfIn PDF document text
- https://doctornhospital.com/banglanews24/editorsfiles/files/48553524192.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/99375096052.pdfIn PDF document text
- http://landpas.pl/upload/file/vepipanuxagetusuzadi.pdfIn PDF document text
- https://birotex.rs/images/files/27829184353.pdfIn PDF document text
- http://tdbm.vn/upload/files/67380636856.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/db91c9f46fcfbfb005966ac0a7871f5d/73880782626.pdfIn PDF document text
- http://mariekevanvlierden.nl/survey/userfiles/files/sixivotilopikavomugotilu.pdfIn PDF document text
- http://miet-boot.ch/images/uploadedimages/file/5661046368.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-05/images/files/83818388558.pdfIn PDF document text
- http://burningspearmarketplace.com/js/ckfinder/userfiles/files/mukubusuzezakuzafuloj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=aplicativo+gravar+chamada+androidPDF 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_off0000d9dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DD | 19512 bytes |
SHA-256: 7e72f947aa85aeb4ec0bd10af1c46a3cb3e9173be5a2b25fadfe63b06affc752 |
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font_01_sfnt_off00010a04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A04 | 10708 bytes |
SHA-256: 4e98aa56f2de4f22d6e71258147091d764ebb1ae2254b1a9ca73970566ae9775 |
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font_02_sfnt_off00012242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12242 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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