MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript, indicating an attempt to execute code upon opening. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document's purpose is to trick the user into providing a password for a separate archive, a common tactic for bypassing gateway security. The numerous external URLs, many pointing to PDF files on disposable domains, further support the idea of a downloader or dropper mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 6
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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 http://ilkyoukais.com/Images/Media/files/lopakevipijik.pdf In PDF document text
- http://mackyz7automotive.com/js/upload/files/xakiwidozofefigubujifiri.pdfIn PDF document text
- http://ryyw.com/upload/files/2021/09/202109141414272760.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/40880202319.pdfIn PDF document text
- http://agama-rc.com/upload/files/64375005011.pdfIn PDF document text
- http://avandcie-energy.fr/ckfinder/userfiles/files/94500690866.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/gagokezemexujafeto.pdfIn PDF document text
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210905155051157705utev76.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/42877058663.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/65933568940.pdfIn PDF document text
- http://cukiernia.eu/upload/files/5680748412.pdfIn PDF document text
- https://benmoonpharma.com/userfiles/file/80747342469.pdfIn PDF document text
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/faxajarojagimifowaxef.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161496319a7a7f---turuwaludapalodapumime.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210907042732.pdfIn PDF document text
- https://semangkabiji.com/contents/files/11890834032.pdfIn PDF document text
- http://www.fred-robin.com/ckfinder/userfiles/files/60943559638.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/loralukovinutorujikepa.pdfIn PDF document text
- http://eventologia.com/userfiles/files/vozipokuxugilul.pdfIn PDF document text
- http://yanartextil.com/firma/files/wirolarinimo.pdfIn PDF document text
- https://kovtec.pl/eurostyl/photos/file/37245104272.pdfIn PDF document text
- https://bayihoki99.com/contents/files/49115963545.pdfIn PDF document text
- http://zbigniewrodak.pl/galeria/file/luzawomaladoguxosuge.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/jitefamaxubuli.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202109031637115886.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140e37c33dc6---37127944920.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=those+who+save+us+book+reviewPDF 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_off0000e5ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AE | 19148 bytes |
SHA-256: 9d82a02891be299cf2022c9bd4a1d2690ca7ce522b370ef59870d18d9909efef |
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font_01_sfnt_off00011739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11739 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F50 | 10404 bytes |
SHA-256: 04d553fd7eeee7f893d044c7e030380ac28a75a4522e62e926f33e8f84766ae5 |
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