MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs pointing to external domains, many of which are structured with 'utm_term' parameters, suggesting a campaign to drive traffic. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, further supporting a malicious intent to distribute or phish. No scripts were extracted, but the overall structure and URL patterns strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://inwebjor.ru/uplcv?utm_term=practical+philosophy+pdf PDF link annotation
- http://sandlnae.com/data/editor/file/favasedakalu.pdfIn PDF document text
- http://contua.org/userfiles/file/fosan.pdfIn PDF document text
- http://kingkady.com/uploadfile/files/vidojusurufunowexe.pdfIn PDF document text
- https://artesapanaderia.xyz/aym_image/files/22556274326.pdfIn PDF document text
- https://drrajanmahtani.com/userfiles/files/45466523049.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/31886317832.pdfIn PDF document text
- http://sushimura1.com/uploads/files/57560988384.pdfIn PDF document text
- https://masini-de-ambalat.ro/images/userfiles/42078404818.pdfIn PDF document text
- https://activsport.ro/userfiles/file/xiliwekubebulug.pdfIn PDF document text
- https://olterus.org/contents/files/tozudumejevakogozo.pdfIn PDF document text
- http://tostonet.cl/ckfinder/userfiles/files/kobawokidaluxupegulepo.pdfIn PDF document text
- http://ulv-fogger.es/d/files/73694099576.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/pututavadutemexafaregef.pdfIn PDF document text
- https://viessmannboilers.ca/fck_upload/file/8432716251.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/30353494366.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/zalogepufemerudid.pdfIn PDF document text
- http://sherwoodchambergolf.org/ckfinder/userfiles/files/3605621078.pdfIn PDF document text
- https://kapefashion.com/files/files/46938580262.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613716b922801---suwef.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/ctk6llhvionf7e63cms1rrjmek/nozolipisomafulela.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-1/20210901223753628152.pdfIn PDF document text
- http://genbreedpublisher.com/files/upfiles/file/dovibomubukojatawone.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_off0000d442.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD442 | 10596 bytes |
SHA-256: 0c2b5870c546a31570246229ad36819d3c0b1db236c984ffb6eac10b8e661ce2 |
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font_01_sfnt_off0000ec92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC92 | 18408 bytes |
SHA-256: 6c4f796713327265517175a50273ca2616bb6fc3b4a7655efcc32f609c30fa45 |
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font_02_sfnt_off00011ca7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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