MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many of which point to disposable hosting or redirectors, strongly suggests a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 5
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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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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://huntic.ru/uplcv?utm_term=direct+and+indirect+questions+with+answers+pdf PDF link annotation
- https://electroagro.es/pub/files/radagenarul.pdfIn PDF document text
- https://rent-1.es/ckfinder/userfiles/files/78735213114.pdfIn PDF document text
- http://aktien-analyse.de/images/File/16159374582.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/18166358543.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210916_E4EF596D2F2444D8.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/79478760430.pdfIn PDF document text
- http://ownlines.com/upfiles/file/muwodurojef.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/pilutatixovijivomup.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/tujipo.pdfIn PDF document text
- https://tdemo.order-pro.com/ckfinder/userfiles/files/negeguveraratevegukezemak.pdfIn PDF document text
- http://agmapure.com/upload/files/81158102019.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/35ad36d989f738514223ca9349aa99ee/44355696200.pdfIn PDF document text
- https://tomclarkvoiceovers.com/userfiles/files/biloniv.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/77621573281.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/62421598834.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/973op0qp999bn99d6nm1ar8a35/sebobologepa.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/67519629930.pdfIn PDF document text
- http://festacreativita.org/userfiles/file/38032153639.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/32847317675.pdfIn PDF document text
- http://aihyang.com/userfiles/file/mozariwetidazasem.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/nolego.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210905_C9F4FA4C127F6A65.pdfIn PDF document text
- http://ballarioarchitetti.eu/userfiles/files/vawojifapizi.pdfIn PDF document text
- http://areopag-group.ru/sites/default/files/uploads/83972831896.pdfIn PDF document text
- http://sql110.com/pic/73060794672.pdfIn PDF document text
- http://umrllc.com/userfiles/files/16667499045.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_off0000b62d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB62D | 16848 bytes |
SHA-256: 0557dc400fbd9761a96b45f3d4923965395c6b3efb7d184481fa29a125d6de7c |
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font_01_sfnt_off0000e15d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15D | 11004 bytes |
SHA-256: 9de7c3bfe22ad39271b9e93eb74219a115b0f7911ca6fe518cb4ec2fa709b837 |
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font_02_sfnt_off0000fac1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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